Home / 19,451,402.21-29,151,020.76-15,138,659.81

Finding the Fourth Proportional to 19,451,402.21, 29,151,020.76 and 15,138,659.81

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Solution

The fourth proportional to 19,451,402.21, 29,151,020.76 and 15,138,659.81 is: 22,687,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451,402.21 : 29,151,020.76 = 15,138,659.81 : x
  2. Step 2: Convert to fraction form
    19,451,402.21/29,151,020.76 = 15,138,659.81/x
  3. Step 3: Cross multiply
    19,451,402.21x = 29,151,020.76 × 15,138,659.81
  4. Step 4: Simplify right side
    19,451,402.21x = 441,307,386,254,132.56
  5. Step 5: Solve for x
    x = 441,307,386,254,132.56/19,451,402.21
  6. Step 6: Final answer
    x = 22,687,690.15

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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.