Home / 20,215,791.90-30,325,277.61-6,752,667.42

Finding the Fourth Proportional to 20,215,791.90, 30,325,277.61 and 6,752,667.42

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Solution

The fourth proportional to 20,215,791.90, 30,325,277.61 and 6,752,667.42 is: 10,129,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215,791.90 : 30,325,277.61 = 6,752,667.42 : x
  2. Step 2: Convert to fraction form
    20,215,791.90/30,325,277.61 = 6,752,667.42/x
  3. Step 3: Cross multiply
    20,215,791.90x = 30,325,277.61 × 6,752,667.42
  4. Step 4: Simplify right side
    20,215,791.90x = 204,776,514,119,502.47
  5. Step 5: Solve for x
    x = 204,776,514,119,502.47/20,215,791.90
  6. Step 6: Final answer
    x = 10,129,532.16

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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.