Home / 28,458,954.92-39,273,349.48-15,406,204.16

Finding the Fourth Proportional to 28,458,954.92, 39,273,349.48 and 15,406,204.16

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Solution

The fourth proportional to 28,458,954.92, 39,273,349.48 and 15,406,204.16 is: 21,260,557.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,954.92 : 39,273,349.48 = 15,406,204.16 : x
  2. Step 2: Convert to fraction form
    28,458,954.92/39,273,349.48 = 15,406,204.16/x
  3. Step 3: Cross multiply
    28,458,954.92x = 39,273,349.48 × 15,406,204.16
  4. Step 4: Simplify right side
    28,458,954.92x = 605,053,240,135,909.75
  5. Step 5: Solve for x
    x = 605,053,240,135,909.75/28,458,954.92
  6. Step 6: Final answer
    x = 21,260,557.24

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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.