Home / 15,332,614.64-21,158,637.36-8,456,949.08

Finding the Fourth Proportional to 15,332,614.64, 21,158,637.36 and 8,456,949.08

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Solution

The fourth proportional to 15,332,614.64, 21,158,637.36 and 8,456,949.08 is: 11,670,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332,614.64 : 21,158,637.36 = 8,456,949.08 : x
  2. Step 2: Convert to fraction form
    15,332,614.64/21,158,637.36 = 8,456,949.08/x
  3. Step 3: Cross multiply
    15,332,614.64x = 21,158,637.36 × 8,456,949.08
  4. Step 4: Simplify right side
    15,332,614.64x = 178,937,518,755,705.62
  5. Step 5: Solve for x
    x = 178,937,518,755,705.62/15,332,614.64
  6. Step 6: Final answer
    x = 11,670,385.19

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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.