Home / 12,286,951.30-18,406,926.15-6,605,287.30

Finding the Fourth Proportional to 12,286,951.30, 18,406,926.15 and 6,605,287.30

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Solution

The fourth proportional to 12,286,951.30, 18,406,926.15 and 6,605,287.30 is: 9,895,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,951.30 : 18,406,926.15 = 6,605,287.30 : x
  2. Step 2: Convert to fraction form
    12,286,951.30/18,406,926.15 = 6,605,287.30/x
  3. Step 3: Cross multiply
    12,286,951.30x = 18,406,926.15 × 6,605,287.30
  4. Step 4: Simplify right side
    12,286,951.30x = 121,583,035,530,632.88
  5. Step 5: Solve for x
    x = 121,583,035,530,632.88/12,286,951.30
  6. Step 6: Final answer
    x = 9,895,297.26

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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.