Home / 28,377,532.98-39,160,995.40-15,324,791.17

Finding the Fourth Proportional to 28,377,532.98, 39,160,995.40 and 15,324,791.17

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Solution

The fourth proportional to 28,377,532.98, 39,160,995.40 and 15,324,791.17 is: 21,148,211.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377,532.98 : 39,160,995.40 = 15,324,791.17 : x
  2. Step 2: Convert to fraction form
    28,377,532.98/39,160,995.40 = 15,324,791.17/x
  3. Step 3: Cross multiply
    28,377,532.98x = 39,160,995.40 × 15,324,791.17
  4. Step 4: Simplify right side
    28,377,532.98x = 600,134,076,386,899.38
  5. Step 5: Solve for x
    x = 600,134,076,386,899.38/28,377,532.98
  6. Step 6: Final answer
    x = 21,148,211.75

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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.