Home / 18,444,327.90-27,670,639.05-5,665,422.30

Finding the Fourth Proportional to 18,444,327.90, 27,670,639.05 and 5,665,422.30

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Solution

The fourth proportional to 18,444,327.90, 27,670,639.05 and 5,665,422.30 is: 8,499,407.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444,327.90 : 27,670,639.05 = 5,665,422.30 : x
  2. Step 2: Convert to fraction form
    18,444,327.90/27,670,639.05 = 5,665,422.30/x
  3. Step 3: Cross multiply
    18,444,327.90x = 27,670,639.05 × 5,665,422.30
  4. Step 4: Simplify right side
    18,444,327.90x = 156,765,855,529,120.81
  5. Step 5: Solve for x
    x = 156,765,855,529,120.81/18,444,327.90
  6. Step 6: Final answer
    x = 8,499,407.32

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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.