Home / 7,836,428.80-11,754,643.20-2,079,151.30

Finding the Fourth Proportional to 7,836,428.80, 11,754,643.20 and 2,079,151.30

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Solution

The fourth proportional to 7,836,428.80, 11,754,643.20 and 2,079,151.30 is: 3,118,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836,428.80 : 11,754,643.20 = 2,079,151.30 : x
  2. Step 2: Convert to fraction form
    7,836,428.80/11,754,643.20 = 2,079,151.30/x
  3. Step 3: Cross multiply
    7,836,428.80x = 11,754,643.20 × 2,079,151.30
  4. Step 4: Simplify right side
    7,836,428.80x = 24,439,681,690,316.16
  5. Step 5: Solve for x
    x = 24,439,681,690,316.16/7,836,428.80
  6. Step 6: Final answer
    x = 3,118,726.95

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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.