Home / 15,571,862.66-21,486,053.85-8,695,286.66

Finding the Fourth Proportional to 15,571,862.66, 21,486,053.85 and 8,695,286.66

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Solution

The fourth proportional to 15,571,862.66, 21,486,053.85 and 8,695,286.66 is: 11,997,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571,862.66 : 21,486,053.85 = 8,695,286.66 : x
  2. Step 2: Convert to fraction form
    15,571,862.66/21,486,053.85 = 8,695,286.66/x
  3. Step 3: Cross multiply
    15,571,862.66x = 21,486,053.85 × 8,695,286.66
  4. Step 4: Simplify right side
    15,571,862.66x = 186,827,397,417,946.66
  5. Step 5: Solve for x
    x = 186,827,397,417,946.66/15,571,862.66
  6. Step 6: Final answer
    x = 11,997,755.28

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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.