Home / 8,449,680.20-12,653,849.82-7,630,867.40

Finding the Fourth Proportional to 8,449,680.20, 12,653,849.82 and 7,630,867.40

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Solution

The fourth proportional to 8,449,680.20, 12,653,849.82 and 7,630,867.40 is: 11,427,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,680.20 : 12,653,849.82 = 7,630,867.40 : x
  2. Step 2: Convert to fraction form
    8,449,680.20/12,653,849.82 = 7,630,867.40/x
  3. Step 3: Cross multiply
    8,449,680.20x = 12,653,849.82 × 7,630,867.40
  4. Step 4: Simplify right side
    8,449,680.20x = 96,559,850,075,933.88
  5. Step 5: Solve for x
    x = 96,559,850,075,933.88/8,449,680.20
  6. Step 6: Final answer
    x = 11,427,633.68

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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.