Home / 28,555,046.73-39,406,438.31-15,502,304.97

Finding the Fourth Proportional to 28,555,046.73, 39,406,438.31 and 15,502,304.97

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Solution

The fourth proportional to 28,555,046.73, 39,406,438.31 and 15,502,304.97 is: 21,393,438.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,555,046.73 : 39,406,438.31 = 15,502,304.97 : x
  2. Step 2: Convert to fraction form
    28,555,046.73/39,406,438.31 = 15,502,304.97/x
  3. Step 3: Cross multiply
    28,555,046.73x = 39,406,438.31 × 15,502,304.97
  4. Step 4: Simplify right side
    28,555,046.73x = 610,890,624,385,599.88
  5. Step 5: Solve for x
    x = 610,890,624,385,599.88/28,555,046.73
  6. Step 6: Final answer
    x = 21,393,438.09

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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.