Home / 28,458,966.32-39,273,365.24-15,406,215.56

Finding the Fourth Proportional to 28,458,966.32, 39,273,365.24 and 15,406,215.56

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Solution

The fourth proportional to 28,458,966.32, 39,273,365.24 and 15,406,215.56 is: 21,260,572.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,966.32 : 39,273,365.24 = 15,406,215.56 : x
  2. Step 2: Convert to fraction form
    28,458,966.32/39,273,365.24 = 15,406,215.56/x
  3. Step 3: Cross multiply
    28,458,966.32x = 39,273,365.24 × 15,406,215.56
  4. Step 4: Simplify right side
    28,458,966.32x = 605,053,930,654,051.12
  5. Step 5: Solve for x
    x = 605,053,930,654,051.12/28,458,966.32
  6. Step 6: Final answer
    x = 21,260,572.99

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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.