Home / 7,881,344.20-11,822,016.30-3,087,440.20

Finding the Fourth Proportional to 7,881,344.20, 11,822,016.30 and 3,087,440.20

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Solution

The fourth proportional to 7,881,344.20, 11,822,016.30 and 3,087,440.20 is: 4,631,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,344.20 : 11,822,016.30 = 3,087,440.20 : x
  2. Step 2: Convert to fraction form
    7,881,344.20/11,822,016.30 = 3,087,440.20/x
  3. Step 3: Cross multiply
    7,881,344.20x = 11,822,016.30 × 3,087,440.20
  4. Step 4: Simplify right side
    7,881,344.20x = 36,499,768,369,675.27
  5. Step 5: Solve for x
    x = 36,499,768,369,675.27/7,881,344.20
  6. Step 6: Final answer
    x = 4,631,160.30

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Double scale
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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.