Home / 12,952,006.20-19,428,009.30-3,975,391.80

Finding the Fourth Proportional to 12,952,006.20, 19,428,009.30 and 3,975,391.80

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Solution

The fourth proportional to 12,952,006.20, 19,428,009.30 and 3,975,391.80 is: 5,963,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952,006.20 : 19,428,009.30 = 3,975,391.80 : x
  2. Step 2: Convert to fraction form
    12,952,006.20/19,428,009.30 = 3,975,391.80/x
  3. Step 3: Cross multiply
    12,952,006.20x = 19,428,009.30 × 3,975,391.80
  4. Step 4: Simplify right side
    12,952,006.20x = 77,233,948,861,543.73
  5. Step 5: Solve for x
    x = 77,233,948,861,543.73/12,952,006.20
  6. Step 6: Final answer
    x = 5,963,087.70

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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.