Home / 18,538,084.80-27,815,000.40-8,948,527.20

Finding the Fourth Proportional to 18,538,084.80, 27,815,000.40 and 8,948,527.20

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Solution

The fourth proportional to 18,538,084.80, 27,815,000.40 and 8,948,527.20 is: 13,426,591.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538,084.80 : 27,815,000.40 = 8,948,527.20 : x
  2. Step 2: Convert to fraction form
    18,538,084.80/27,815,000.40 = 8,948,527.20/x
  3. Step 3: Cross multiply
    18,538,084.80x = 27,815,000.40 × 8,948,527.20
  4. Step 4: Simplify right side
    18,538,084.80x = 248,903,287,647,410.84
  5. Step 5: Solve for x
    x = 248,903,287,647,410.84/18,538,084.80
  6. Step 6: Final answer
    x = 13,426,591.28

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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.