Home / 7,419,005.40-11,128,508.10-3,159,604.20

Finding the Fourth Proportional to 7,419,005.40, 11,128,508.10 and 3,159,604.20

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Solution

The fourth proportional to 7,419,005.40, 11,128,508.10 and 3,159,604.20 is: 4,739,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419,005.40 : 11,128,508.10 = 3,159,604.20 : x
  2. Step 2: Convert to fraction form
    7,419,005.40/11,128,508.10 = 3,159,604.20/x
  3. Step 3: Cross multiply
    7,419,005.40x = 11,128,508.10 × 3,159,604.20
  4. Step 4: Simplify right side
    7,419,005.40x = 35,161,680,932,494.02
  5. Step 5: Solve for x
    x = 35,161,680,932,494.02/7,419,005.40
  6. Step 6: Final answer
    x = 4,739,406.30

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Similar ratio
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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.