Home / 18,520,154.03-27,771,140.61-9,161,495.02

Finding the Fourth Proportional to 18,520,154.03, 27,771,140.61 and 9,161,495.02

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Solution

The fourth proportional to 18,520,154.03, 27,771,140.61 and 9,161,495.02 is: 13,737,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520,154.03 : 27,771,140.61 = 9,161,495.02 : x
  2. Step 2: Convert to fraction form
    18,520,154.03/27,771,140.61 = 9,161,495.02/x
  3. Step 3: Cross multiply
    18,520,154.03x = 27,771,140.61 × 9,161,495.02
  4. Step 4: Simplify right side
    18,520,154.03x = 254,425,166,398,234.75
  5. Step 5: Solve for x
    x = 254,425,166,398,234.75/18,520,154.03
  6. Step 6: Final answer
    x = 13,737,745.70

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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.