Home / 18,147,649.12-27,225,459.56-5,367,157.44

Finding the Fourth Proportional to 18,147,649.12, 27,225,459.56 and 5,367,157.44

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Solution

The fourth proportional to 18,147,649.12, 27,225,459.56 and 5,367,157.44 is: 8,051,914.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147,649.12 : 27,225,459.56 = 5,367,157.44 : x
  2. Step 2: Convert to fraction form
    18,147,649.12/27,225,459.56 = 5,367,157.44/x
  3. Step 3: Cross multiply
    18,147,649.12x = 27,225,459.56 × 5,367,157.44
  4. Step 4: Simplify right side
    18,147,649.12x = 146,123,327,834,873.12
  5. Step 5: Solve for x
    x = 146,123,327,834,873.12/18,147,649.12
  6. Step 6: Final answer
    x = 8,051,914.98

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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.