Home / 30,156,785.52-45,227,704.80-8,591,574

Finding the Fourth Proportional to 30,156,785.52, 45,227,704.80 and 8,591,574

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Solution

The fourth proportional to 30,156,785.52, 45,227,704.80 and 8,591,574 is: 12,885,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,156,785.52 : 45,227,704.80 = 8,591,574 : x
  2. Step 2: Convert to fraction form
    30,156,785.52/45,227,704.80 = 8,591,574/x
  3. Step 3: Cross multiply
    30,156,785.52x = 45,227,704.80 × 8,591,574
  4. Step 4: Simplify right side
    30,156,785.52x = 388,577,172,639,355.19
  5. Step 5: Solve for x
    x = 388,577,172,639,355.19/30,156,785.52
  6. Step 6: Final answer
    x = 12,885,231.83

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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.