Home / 8,799,285.12-12,124,807.20-7,073,479.68

Finding the Fourth Proportional to 8,799,285.12, 12,124,807.20 and 7,073,479.68

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Solution

The fourth proportional to 8,799,285.12, 12,124,807.20 and 7,073,479.68 is: 9,746,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799,285.12 : 12,124,807.20 = 7,073,479.68 : x
  2. Step 2: Convert to fraction form
    8,799,285.12/12,124,807.20 = 7,073,479.68/x
  3. Step 3: Cross multiply
    8,799,285.12x = 12,124,807.20 × 7,073,479.68
  4. Step 4: Simplify right side
    8,799,285.12x = 85,764,577,353,117.69
  5. Step 5: Solve for x
    x = 85,764,577,353,117.69/8,799,285.12
  6. Step 6: Final answer
    x = 9,746,766.49

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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.