Home / 12,168,064.20-18,253,046.70-5,437,158.60

Finding the Fourth Proportional to 12,168,064.20, 18,253,046.70 and 5,437,158.60

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Solution

The fourth proportional to 12,168,064.20, 18,253,046.70 and 5,437,158.60 is: 8,156,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168,064.20 : 18,253,046.70 = 5,437,158.60 : x
  2. Step 2: Convert to fraction form
    12,168,064.20/18,253,046.70 = 5,437,158.60/x
  3. Step 3: Cross multiply
    12,168,064.20x = 18,253,046.70 × 5,437,158.60
  4. Step 4: Simplify right side
    12,168,064.20x = 99,244,709,841,106.61
  5. Step 5: Solve for x
    x = 99,244,709,841,106.61/12,168,064.20
  6. Step 6: Final answer
    x = 8,156,162.58

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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.