Home / 28,458,946.92-39,273,338.43-15,406,196.15

Finding the Fourth Proportional to 28,458,946.92, 39,273,338.43 and 15,406,196.15

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Solution

The fourth proportional to 28,458,946.92, 39,273,338.43 and 15,406,196.15 is: 21,260,546.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,946.92 : 39,273,338.43 = 15,406,196.15 : x
  2. Step 2: Convert to fraction form
    28,458,946.92/39,273,338.43 = 15,406,196.15/x
  3. Step 3: Cross multiply
    28,458,946.92x = 39,273,338.43 × 15,406,196.15
  4. Step 4: Simplify right side
    28,458,946.92x = 605,052,755,416,096.38
  5. Step 5: Solve for x
    x = 605,052,755,416,096.38/28,458,946.92
  6. Step 6: Final answer
    x = 21,260,546.18

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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.