Home / 15,177,711.12-20,944,796.04-8,302,045.20

Finding the Fourth Proportional to 15,177,711.12, 20,944,796.04 and 8,302,045.20

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Solution

The fourth proportional to 15,177,711.12, 20,944,796.04 and 8,302,045.20 is: 11,456,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177,711.12 : 20,944,796.04 = 8,302,045.20 : x
  2. Step 2: Convert to fraction form
    15,177,711.12/20,944,796.04 = 8,302,045.20/x
  3. Step 3: Cross multiply
    15,177,711.12x = 20,944,796.04 × 8,302,045.20
  4. Step 4: Simplify right side
    15,177,711.12x = 173,884,643,428,861
  5. Step 5: Solve for x
    x = 173,884,643,428,861/15,177,711.12
  6. Step 6: Final answer
    x = 11,456,578.80

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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.