Home / 10,367,999.80-15,551,999.70-9,150,278.20

Finding the Fourth Proportional to 10,367,999.80, 15,551,999.70 and 9,150,278.20

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Solution

The fourth proportional to 10,367,999.80, 15,551,999.70 and 9,150,278.20 is: 13,725,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367,999.80 : 15,551,999.70 = 9,150,278.20 : x
  2. Step 2: Convert to fraction form
    10,367,999.80/15,551,999.70 = 9,150,278.20/x
  3. Step 3: Cross multiply
    10,367,999.80x = 15,551,999.70 × 9,150,278.20
  4. Step 4: Simplify right side
    10,367,999.80x = 142,305,123,821,316.53
  5. Step 5: Solve for x
    x = 142,305,123,821,316.53/10,367,999.80
  6. Step 6: Final answer
    x = 13,725,417.30

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Similar ratio
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1.5x scale

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.