Home / 28,331,016.30-42,496,524.45-9,175,520.70

Finding the Fourth Proportional to 28,331,016.30, 42,496,524.45 and 9,175,520.70

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Solution

The fourth proportional to 28,331,016.30, 42,496,524.45 and 9,175,520.70 is: 13,763,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,016.30 : 42,496,524.45 = 9,175,520.70 : x
  2. Step 2: Convert to fraction form
    28,331,016.30/42,496,524.45 = 9,175,520.70/x
  3. Step 3: Cross multiply
    28,331,016.30x = 42,496,524.45 × 9,175,520.70
  4. Step 4: Simplify right side
    28,331,016.30x = 389,927,739,769,031.12
  5. Step 5: Solve for x
    x = 389,927,739,769,031.12/28,331,016.30
  6. Step 6: Final answer
    x = 13,763,281.05

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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.