Home / 20,038,370.72-27,652,103.06-11,336,691.38

Finding the Fourth Proportional to 20,038,370.72, 27,652,103.06 and 11,336,691.38

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Solution

The fourth proportional to 20,038,370.72, 27,652,103.06 and 11,336,691.38 is: 15,644,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038,370.72 : 27,652,103.06 = 11,336,691.38 : x
  2. Step 2: Convert to fraction form
    20,038,370.72/27,652,103.06 = 11,336,691.38/x
  3. Step 3: Cross multiply
    20,038,370.72x = 27,652,103.06 × 11,336,691.38
  4. Step 4: Simplify right side
    20,038,370.72x = 313,483,358,399,173.62
  5. Step 5: Solve for x
    x = 313,483,358,399,173.62/20,038,370.72
  6. Step 6: Final answer
    x = 15,644,154.05

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1.5x scale

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.