Home / 13,781,307.62-20,672,180.66-7,672,119.60

Finding the Fourth Proportional to 13,781,307.62, 20,672,180.66 and 7,672,119.60

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Solution

The fourth proportional to 13,781,307.62, 20,672,180.66 and 7,672,119.60 is: 11,508,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,307.62 : 20,672,180.66 = 7,672,119.60 : x
  2. Step 2: Convert to fraction form
    13,781,307.62/20,672,180.66 = 7,672,119.60/x
  3. Step 3: Cross multiply
    13,781,307.62x = 20,672,180.66 × 7,672,119.60
  4. Step 4: Simplify right side
    13,781,307.62x = 158,599,442,513,027.91
  5. Step 5: Solve for x
    x = 158,599,442,513,027.91/13,781,307.62
  6. Step 6: Final answer
    x = 11,508,301.45

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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.