Home / 40,827,101.40-61,240,652.10-18,107,998.65

Finding the Fourth Proportional to 40,827,101.40, 61,240,652.10 and 18,107,998.65

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Solution

The fourth proportional to 40,827,101.40, 61,240,652.10 and 18,107,998.65 is: 27,161,997.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,827,101.40 : 61,240,652.10 = 18,107,998.65 : x
  2. Step 2: Convert to fraction form
    40,827,101.40/61,240,652.10 = 18,107,998.65/x
  3. Step 3: Cross multiply
    40,827,101.40x = 61,240,652.10 × 18,107,998.65
  4. Step 4: Simplify right side
    40,827,101.40x = 1,108,945,645,551,919.62
  5. Step 5: Solve for x
    x = 1,108,945,645,551,919.62/40,827,101.40
  6. Step 6: Final answer
    x = 27,161,997.98

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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.