Home / 8,754,519.69-12,081,440.89-5,491,471.95

Finding the Fourth Proportional to 8,754,519.69, 12,081,440.89 and 5,491,471.95

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Solution

The fourth proportional to 8,754,519.69, 12,081,440.89 and 5,491,471.95 is: 7,578,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754,519.69 : 12,081,440.89 = 5,491,471.95 : x
  2. Step 2: Convert to fraction form
    8,754,519.69/12,081,440.89 = 5,491,471.95/x
  3. Step 3: Cross multiply
    8,754,519.69x = 12,081,440.89 × 5,491,471.95
  4. Step 4: Simplify right side
    8,754,519.69x = 66,344,893,769,882.38
  5. Step 5: Solve for x
    x = 66,344,893,769,882.38/8,754,519.69
  6. Step 6: Final answer
    x = 7,578,359.08

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1.5x scale

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.