Home / 10,909,512.78-16,360,726.23-5,151,355.62

Finding the Fourth Proportional to 10,909,512.78, 16,360,726.23 and 5,151,355.62

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Solution

The fourth proportional to 10,909,512.78, 16,360,726.23 and 5,151,355.62 is: 7,725,360.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909,512.78 : 16,360,726.23 = 5,151,355.62 : x
  2. Step 2: Convert to fraction form
    10,909,512.78/16,360,726.23 = 5,151,355.62/x
  3. Step 3: Cross multiply
    10,909,512.78x = 16,360,726.23 × 5,151,355.62
  4. Step 4: Simplify right side
    10,909,512.78x = 84,279,919,012,191.92
  5. Step 5: Solve for x
    x = 84,279,919,012,191.92/10,909,512.78
  6. Step 6: Final answer
    x = 7,725,360.49

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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.