Home / 28,331,443.80-42,497,165.70-9,175,948.20

Finding the Fourth Proportional to 28,331,443.80, 42,497,165.70 and 9,175,948.20

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Solution

The fourth proportional to 28,331,443.80, 42,497,165.70 and 9,175,948.20 is: 13,763,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,443.80 : 42,497,165.70 = 9,175,948.20 : x
  2. Step 2: Convert to fraction form
    28,331,443.80/42,497,165.70 = 9,175,948.20/x
  3. Step 3: Cross multiply
    28,331,443.80x = 42,497,165.70 × 9,175,948.20
  4. Step 4: Simplify right side
    28,331,443.80x = 389,951,791,110,016.75
  5. Step 5: Solve for x
    x = 389,951,791,110,016.75/28,331,443.80
  6. Step 6: Final answer
    x = 13,763,922.30

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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.