Home / 7,982,017.20-11,973,025.80-5,431,100.40

Finding the Fourth Proportional to 7,982,017.20, 11,973,025.80 and 5,431,100.40

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Solution

The fourth proportional to 7,982,017.20, 11,973,025.80 and 5,431,100.40 is: 8,146,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982,017.20 : 11,973,025.80 = 5,431,100.40 : x
  2. Step 2: Convert to fraction form
    7,982,017.20/11,973,025.80 = 5,431,100.40/x
  3. Step 3: Cross multiply
    7,982,017.20x = 11,973,025.80 × 5,431,100.40
  4. Step 4: Simplify right side
    7,982,017.20x = 65,026,705,211,590.33
  5. Step 5: Solve for x
    x = 65,026,705,211,590.33/7,982,017.20
  6. Step 6: Final answer
    x = 8,146,650.60

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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.