Home / 15,306,744.61-21,123,126.54-8,337,400.27

Finding the Fourth Proportional to 15,306,744.61, 21,123,126.54 and 8,337,400.27

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Solution

The fourth proportional to 15,306,744.61, 21,123,126.54 and 8,337,400.27 is: 11,505,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,306,744.61 : 21,123,126.54 = 8,337,400.27 : x
  2. Step 2: Convert to fraction form
    15,306,744.61/21,123,126.54 = 8,337,400.27/x
  3. Step 3: Cross multiply
    15,306,744.61x = 21,123,126.54 × 8,337,400.27
  4. Step 4: Simplify right side
    15,306,744.61x = 176,111,960,917,840.16
  5. Step 5: Solve for x
    x = 176,111,960,917,840.16/15,306,744.61
  6. Step 6: Final answer
    x = 11,505,513.77

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1.5x scale

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.