Home / 42,691,958.16-63,997,027.52-18,066,008.90

Finding the Fourth Proportional to 42,691,958.16, 63,997,027.52 and 18,066,008.90

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Solution

The fourth proportional to 42,691,958.16, 63,997,027.52 and 18,066,008.90 is: 27,081,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,691,958.16 : 63,997,027.52 = 18,066,008.90 : x
  2. Step 2: Convert to fraction form
    42,691,958.16/63,997,027.52 = 18,066,008.90/x
  3. Step 3: Cross multiply
    42,691,958.16x = 63,997,027.52 × 18,066,008.90
  4. Step 4: Simplify right side
    42,691,958.16x = 1,156,170,868,339,549.75
  5. Step 5: Solve for x
    x = 1,156,170,868,339,549.75/42,691,958.16
  6. Step 6: Final answer
    x = 27,081,701.52

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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.