Home / 29,147,429.80-43,721,144.70-8,952,639.40

Finding the Fourth Proportional to 29,147,429.80, 43,721,144.70 and 8,952,639.40

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Solution

The fourth proportional to 29,147,429.80, 43,721,144.70 and 8,952,639.40 is: 13,428,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147,429.80 : 43,721,144.70 = 8,952,639.40 : x
  2. Step 2: Convert to fraction form
    29,147,429.80/43,721,144.70 = 8,952,639.40/x
  3. Step 3: Cross multiply
    29,147,429.80x = 43,721,144.70 × 8,952,639.40
  4. Step 4: Simplify right side
    29,147,429.80x = 391,419,642,654,321.25
  5. Step 5: Solve for x
    x = 391,419,642,654,321.25/29,147,429.80
  6. Step 6: Final answer
    x = 13,428,959.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.