Home / 28,584,480.96-39,442,143.24-16,981,746.24

Finding the Fourth Proportional to 28,584,480.96, 39,442,143.24 and 16,981,746.24

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Solution

The fourth proportional to 28,584,480.96, 39,442,143.24 and 16,981,746.24 is: 23,432,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,584,480.96 : 39,442,143.24 = 16,981,746.24 : x
  2. Step 2: Convert to fraction form
    28,584,480.96/39,442,143.24 = 16,981,746.24/x
  3. Step 3: Cross multiply
    28,584,480.96x = 39,442,143.24 × 16,981,746.24
  4. Step 4: Simplify right side
    28,584,480.96x = 669,796,467,663,411.38
  5. Step 5: Solve for x
    x = 669,796,467,663,411.38/28,584,480.96
  6. Step 6: Final answer
    x = 23,432,171.76

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Double scale
Find fourth proportional to 28,584,481.96, 39,442,144.62 and 16,981,747.24
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.