Home / 8,511,277.30-12,768,082.35-2,830,909.30

Finding the Fourth Proportional to 8,511,277.30, 12,768,082.35 and 2,830,909.30

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Solution

The fourth proportional to 8,511,277.30, 12,768,082.35 and 2,830,909.30 is: 4,246,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511,277.30 : 12,768,082.35 = 2,830,909.30 : x
  2. Step 2: Convert to fraction form
    8,511,277.30/12,768,082.35 = 2,830,909.30/x
  3. Step 3: Cross multiply
    8,511,277.30x = 12,768,082.35 × 2,830,909.30
  4. Step 4: Simplify right side
    8,511,277.30x = 36,145,283,067,780.85
  5. Step 5: Solve for x
    x = 36,145,283,067,780.85/8,511,277.30
  6. Step 6: Final answer
    x = 4,246,751.90

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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.