Home / 18,191,570.60-27,287,793.30-5,412,492.20

Finding the Fourth Proportional to 18,191,570.60, 27,287,793.30 and 5,412,492.20

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Solution

The fourth proportional to 18,191,570.60, 27,287,793.30 and 5,412,492.20 is: 8,118,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,570.60 : 27,287,793.30 = 5,412,492.20 : x
  2. Step 2: Convert to fraction form
    18,191,570.60/27,287,793.30 = 5,412,492.20/x
  3. Step 3: Cross multiply
    18,191,570.60x = 27,287,793.30 × 5,412,492.20
  4. Step 4: Simplify right side
    18,191,570.60x = 147,694,968,391,462.28
  5. Step 5: Solve for x
    x = 147,694,968,391,462.28/18,191,570.60
  6. Step 6: Final answer
    x = 8,118,868.44

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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.