Home / 12,101,635.20-18,152,452.80-8,700,412.80

Finding the Fourth Proportional to 12,101,635.20, 18,152,452.80 and 8,700,412.80

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Solution

The fourth proportional to 12,101,635.20, 18,152,452.80 and 8,700,412.80 is: 13,050,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,635.20 : 18,152,452.80 = 8,700,412.80 : x
  2. Step 2: Convert to fraction form
    12,101,635.20/18,152,452.80 = 8,700,412.80/x
  3. Step 3: Cross multiply
    12,101,635.20x = 18,152,452.80 × 8,700,412.80
  4. Step 4: Simplify right side
    12,101,635.20x = 157,933,832,692,515.88
  5. Step 5: Solve for x
    x = 157,933,832,692,515.88/12,101,635.20
  6. Step 6: Final answer
    x = 13,050,619.20

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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.