Home / 8,510,480.20-12,765,720.30-7,500,742.30

Finding the Fourth Proportional to 8,510,480.20, 12,765,720.30 and 7,500,742.30

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Solution

The fourth proportional to 8,510,480.20, 12,765,720.30 and 7,500,742.30 is: 11,251,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510,480.20 : 12,765,720.30 = 7,500,742.30 : x
  2. Step 2: Convert to fraction form
    8,510,480.20/12,765,720.30 = 7,500,742.30/x
  3. Step 3: Cross multiply
    8,510,480.20x = 12,765,720.30 × 7,500,742.30
  4. Step 4: Simplify right side
    8,510,480.20x = 95,752,378,244,178.69
  5. Step 5: Solve for x
    x = 95,752,378,244,178.69/8,510,480.20
  6. Step 6: Final answer
    x = 11,251,113.45

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Double scale
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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.