Home / 28,458,948.92-39,273,341.19-15,406,198.15

Finding the Fourth Proportional to 28,458,948.92, 39,273,341.19 and 15,406,198.15

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Solution

The fourth proportional to 28,458,948.92, 39,273,341.19 and 15,406,198.15 is: 21,260,548.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,948.92 : 39,273,341.19 = 15,406,198.15 : x
  2. Step 2: Convert to fraction form
    28,458,948.92/39,273,341.19 = 15,406,198.15/x
  3. Step 3: Cross multiply
    28,458,948.92x = 39,273,341.19 × 15,406,198.15
  4. Step 4: Simplify right side
    28,458,948.92x = 605,052,876,385,696.75
  5. Step 5: Solve for x
    x = 605,052,876,385,696.75/28,458,948.92
  6. Step 6: Final answer
    x = 21,260,548.94

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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.