Home / 18,520,153.03-27,771,139.11-9,161,494.02

Finding the Fourth Proportional to 18,520,153.03, 27,771,139.11 and 9,161,494.02

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Solution

The fourth proportional to 18,520,153.03, 27,771,139.11 and 9,161,494.02 is: 13,737,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520,153.03 : 27,771,139.11 = 9,161,494.02 : x
  2. Step 2: Convert to fraction form
    18,520,153.03/27,771,139.11 = 9,161,494.02/x
  3. Step 3: Cross multiply
    18,520,153.03x = 27,771,139.11 × 9,161,494.02
  4. Step 4: Simplify right side
    18,520,153.03x = 254,425,124,744,219.91
  5. Step 5: Solve for x
    x = 254,425,124,744,219.91/18,520,153.03
  6. Step 6: Final answer
    x = 13,737,744.20

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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.