Home / 21,387,728.48-29,515,073.15-11,598,170.13

Finding the Fourth Proportional to 21,387,728.48, 29,515,073.15 and 11,598,170.13

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Solution

The fourth proportional to 21,387,728.48, 29,515,073.15 and 11,598,170.13 is: 16,005,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387,728.48 : 29,515,073.15 = 11,598,170.13 : x
  2. Step 2: Convert to fraction form
    21,387,728.48/29,515,073.15 = 11,598,170.13/x
  3. Step 3: Cross multiply
    21,387,728.48x = 29,515,073.15 × 11,598,170.13
  4. Step 4: Simplify right side
    21,387,728.48x = 342,320,839,822,090.44
  5. Step 5: Solve for x
    x = 342,320,839,822,090.44/21,387,728.48
  6. Step 6: Final answer
    x = 16,005,479.04

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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.