Home / 28,654,420.30-42,981,630.45-14,305,513.30

Finding the Fourth Proportional to 28,654,420.30, 42,981,630.45 and 14,305,513.30

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Solution

The fourth proportional to 28,654,420.30, 42,981,630.45 and 14,305,513.30 is: 21,458,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,654,420.30 : 42,981,630.45 = 14,305,513.30 : x
  2. Step 2: Convert to fraction form
    28,654,420.30/42,981,630.45 = 14,305,513.30/x
  3. Step 3: Cross multiply
    28,654,420.30x = 42,981,630.45 × 14,305,513.30
  4. Step 4: Simplify right side
    28,654,420.30x = 614,874,286,058,160
  5. Step 5: Solve for x
    x = 614,874,286,058,160/28,654,420.30
  6. Step 6: Final answer
    x = 21,458,269.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.