Home / 19,008,095.70-28,512,143.55-4,824,671.70

Finding the Fourth Proportional to 19,008,095.70, 28,512,143.55 and 4,824,671.70

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Solution

The fourth proportional to 19,008,095.70, 28,512,143.55 and 4,824,671.70 is: 7,237,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,095.70 : 28,512,143.55 = 4,824,671.70 : x
  2. Step 2: Convert to fraction form
    19,008,095.70/28,512,143.55 = 4,824,671.70/x
  3. Step 3: Cross multiply
    19,008,095.70x = 28,512,143.55 × 4,824,671.70
  4. Step 4: Simplify right side
    19,008,095.70x = 137,561,732,092,022.55
  5. Step 5: Solve for x
    x = 137,561,732,092,022.55/19,008,095.70
  6. Step 6: Final answer
    x = 7,237,007.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.