Home / 7,988,267.20-11,982,400.80-5,300,881.60

Finding the Fourth Proportional to 7,988,267.20, 11,982,400.80 and 5,300,881.60

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Solution

The fourth proportional to 7,988,267.20, 11,982,400.80 and 5,300,881.60 is: 7,951,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,267.20 : 11,982,400.80 = 5,300,881.60 : x
  2. Step 2: Convert to fraction form
    7,988,267.20/11,982,400.80 = 5,300,881.60/x
  3. Step 3: Cross multiply
    7,988,267.20x = 11,982,400.80 × 5,300,881.60
  4. Step 4: Simplify right side
    7,988,267.20x = 63,517,287,924,545.28
  5. Step 5: Solve for x
    x = 63,517,287,924,545.28/7,988,267.20
  6. Step 6: Final answer
    x = 7,951,322.40

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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.