Home / 29,147,428.80-43,721,143.20-8,952,638.40

Finding the Fourth Proportional to 29,147,428.80, 43,721,143.20 and 8,952,638.40

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Solution

The fourth proportional to 29,147,428.80, 43,721,143.20 and 8,952,638.40 is: 13,428,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147,428.80 : 43,721,143.20 = 8,952,638.40 : x
  2. Step 2: Convert to fraction form
    29,147,428.80/43,721,143.20 = 8,952,638.40/x
  3. Step 3: Cross multiply
    29,147,428.80x = 43,721,143.20 × 8,952,638.40
  4. Step 4: Simplify right side
    29,147,428.80x = 391,419,585,504,218.94
  5. Step 5: Solve for x
    x = 391,419,585,504,218.94/29,147,428.80
  6. Step 6: Final answer
    x = 13,428,957.60

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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.