Home / 12,193,618.38-16,825,646.78-6,685,543.81

Finding the Fourth Proportional to 12,193,618.38, 16,825,646.78 and 6,685,543.81

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Solution

The fourth proportional to 12,193,618.38, 16,825,646.78 and 6,685,543.81 is: 9,225,202.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193,618.38 : 16,825,646.78 = 6,685,543.81 : x
  2. Step 2: Convert to fraction form
    12,193,618.38/16,825,646.78 = 6,685,543.81/x
  3. Step 3: Cross multiply
    12,193,618.38x = 16,825,646.78 × 6,685,543.81
  4. Step 4: Simplify right side
    12,193,618.38x = 112,488,598,653,925.17
  5. Step 5: Solve for x
    x = 112,488,598,653,925.17/12,193,618.38
  6. Step 6: Final answer
    x = 9,225,202.49

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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.