Home / 12,281,489.60-18,422,234.40-4,191,776.60

Finding the Fourth Proportional to 12,281,489.60, 18,422,234.40 and 4,191,776.60

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Solution

The fourth proportional to 12,281,489.60, 18,422,234.40 and 4,191,776.60 is: 6,287,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281,489.60 : 18,422,234.40 = 4,191,776.60 : x
  2. Step 2: Convert to fraction form
    12,281,489.60/18,422,234.40 = 4,191,776.60/x
  3. Step 3: Cross multiply
    12,281,489.60x = 18,422,234.40 × 4,191,776.60
  4. Step 4: Simplify right side
    12,281,489.60x = 77,221,891,077,635.03
  5. Step 5: Solve for x
    x = 77,221,891,077,635.03/12,281,489.60
  6. Step 6: Final answer
    x = 6,287,664.90

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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.