Home / 8,545,886.30-12,818,829.45-8,247,287.90

Finding the Fourth Proportional to 8,545,886.30, 12,818,829.45 and 8,247,287.90

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Solution

The fourth proportional to 8,545,886.30, 12,818,829.45 and 8,247,287.90 is: 12,370,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545,886.30 : 12,818,829.45 = 8,247,287.90 : x
  2. Step 2: Convert to fraction form
    8,545,886.30/12,818,829.45 = 8,247,287.90/x
  3. Step 3: Cross multiply
    8,545,886.30x = 12,818,829.45 × 8,247,287.90
  4. Step 4: Simplify right side
    8,545,886.30x = 105,720,577,015,148.66
  5. Step 5: Solve for x
    x = 105,720,577,015,148.66/8,545,886.30
  6. Step 6: Final answer
    x = 12,370,931.85

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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.