Home / 9,268,857.74-12,791,781.15-5,140,181.90

Finding the Fourth Proportional to 9,268,857.74, 12,791,781.15 and 5,140,181.90

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Solution

The fourth proportional to 9,268,857.74, 12,791,781.15 and 5,140,181.90 is: 7,093,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268,857.74 : 12,791,781.15 = 5,140,181.90 : x
  2. Step 2: Convert to fraction form
    9,268,857.74/12,791,781.15 = 5,140,181.90/x
  3. Step 3: Cross multiply
    9,268,857.74x = 12,791,781.15 × 5,140,181.90
  4. Step 4: Simplify right side
    9,268,857.74x = 65,752,081,935,991.20
  5. Step 5: Solve for x
    x = 65,752,081,935,991.20/9,268,857.74
  6. Step 6: Final answer
    x = 7,093,871.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.