Home / 18,982,427.60-28,482,972.60-8,883,304.40

Finding the Fourth Proportional to 18,982,427.60, 28,482,972.60 and 8,883,304.40

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Solution

The fourth proportional to 18,982,427.60, 28,482,972.60 and 8,883,304.40 is: 13,329,323.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982,427.60 : 28,482,972.60 = 8,883,304.40 : x
  2. Step 2: Convert to fraction form
    18,982,427.60/28,482,972.60 = 8,883,304.40/x
  3. Step 3: Cross multiply
    18,982,427.60x = 28,482,972.60 × 8,883,304.40
  4. Step 4: Simplify right side
    18,982,427.60x = 253,022,915,822,659.47
  5. Step 5: Solve for x
    x = 253,022,915,822,659.47/18,982,427.60
  6. Step 6: Final answer
    x = 13,329,323.37

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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.