Home / 29,162,486.40-43,743,729.60-12,156,374.40

Finding the Fourth Proportional to 29,162,486.40, 43,743,729.60 and 12,156,374.40

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Solution

The fourth proportional to 29,162,486.40, 43,743,729.60 and 12,156,374.40 is: 18,234,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,162,486.40 : 43,743,729.60 = 12,156,374.40 : x
  2. Step 2: Convert to fraction form
    29,162,486.40/43,743,729.60 = 12,156,374.40/x
  3. Step 3: Cross multiply
    29,162,486.40x = 43,743,729.60 × 12,156,374.40
  4. Step 4: Simplify right side
    29,162,486.40x = 531,765,154,669,962.25
  5. Step 5: Solve for x
    x = 531,765,154,669,962.25/29,162,486.40
  6. Step 6: Final answer
    x = 18,234,561.60

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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.