Home / 18,144,420.30-27,216,630.45-9,074,493.90

Finding the Fourth Proportional to 18,144,420.30, 27,216,630.45 and 9,074,493.90

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Solution

The fourth proportional to 18,144,420.30, 27,216,630.45 and 9,074,493.90 is: 13,611,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,420.30 : 27,216,630.45 = 9,074,493.90 : x
  2. Step 2: Convert to fraction form
    18,144,420.30/27,216,630.45 = 9,074,493.90/x
  3. Step 3: Cross multiply
    18,144,420.30x = 27,216,630.45 × 9,074,493.90
  4. Step 4: Simplify right side
    18,144,420.30x = 246,977,146,997,079.25
  5. Step 5: Solve for x
    x = 246,977,146,997,079.25/18,144,420.30
  6. Step 6: Final answer
    x = 13,611,740.85

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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.