Home / 8,510,459.20-12,765,688.80-7,500,721.30

Finding the Fourth Proportional to 8,510,459.20, 12,765,688.80 and 7,500,721.30

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Solution

The fourth proportional to 8,510,459.20, 12,765,688.80 and 7,500,721.30 is: 11,251,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510,459.20 : 12,765,688.80 = 7,500,721.30 : x
  2. Step 2: Convert to fraction form
    8,510,459.20/12,765,688.80 = 7,500,721.30/x
  3. Step 3: Cross multiply
    8,510,459.20x = 12,765,688.80 × 7,500,721.30
  4. Step 4: Simplify right side
    8,510,459.20x = 95,751,873,891,331.44
  5. Step 5: Solve for x
    x = 95,751,873,891,331.44/8,510,459.20
  6. Step 6: Final answer
    x = 11,251,081.95

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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.