Home / 15,342,332.61-21,172,375.70-8,466,765.47

Finding the Fourth Proportional to 15,342,332.61, 21,172,375.70 and 8,466,765.47

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Solution

The fourth proportional to 15,342,332.61, 21,172,375.70 and 8,466,765.47 is: 11,684,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342,332.61 : 21,172,375.70 = 8,466,765.47 : x
  2. Step 2: Convert to fraction form
    15,342,332.61/21,172,375.70 = 8,466,765.47/x
  3. Step 3: Cross multiply
    15,342,332.61x = 21,172,375.70 × 8,466,765.47
  4. Step 4: Simplify right side
    15,342,332.61x = 179,261,539,505,195.25
  5. Step 5: Solve for x
    x = 179,261,539,505,195.25/15,342,332.61
  6. Step 6: Final answer
    x = 11,684,112.45

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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.