Home / 18,493,670.30-27,740,505.45-12,447,052.70

Finding the Fourth Proportional to 18,493,670.30, 27,740,505.45 and 12,447,052.70

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Solution

The fourth proportional to 18,493,670.30, 27,740,505.45 and 12,447,052.70 is: 18,670,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493,670.30 : 27,740,505.45 = 12,447,052.70 : x
  2. Step 2: Convert to fraction form
    18,493,670.30/27,740,505.45 = 12,447,052.70/x
  3. Step 3: Cross multiply
    18,493,670.30x = 27,740,505.45 × 12,447,052.70
  4. Step 4: Simplify right side
    18,493,670.30x = 345,287,533,260,787.19
  5. Step 5: Solve for x
    x = 345,287,533,260,787.19/18,493,670.30
  6. Step 6: Final answer
    x = 18,670,579.05

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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.