Home / 18,452,991.40-27,679,487.10-9,843,647.20

Finding the Fourth Proportional to 18,452,991.40, 27,679,487.10 and 9,843,647.20

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Solution

The fourth proportional to 18,452,991.40, 27,679,487.10 and 9,843,647.20 is: 14,765,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,991.40 : 27,679,487.10 = 9,843,647.20 : x
  2. Step 2: Convert to fraction form
    18,452,991.40/27,679,487.10 = 9,843,647.20/x
  3. Step 3: Cross multiply
    18,452,991.40x = 27,679,487.10 × 9,843,647.20
  4. Step 4: Simplify right side
    18,452,991.40x = 272,467,105,689,351.12
  5. Step 5: Solve for x
    x = 272,467,105,689,351.12/18,452,991.40
  6. Step 6: Final answer
    x = 14,765,470.80

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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.