Home / 8,420,487.45-12,630,731.18-3,029,969.85

Finding the Fourth Proportional to 8,420,487.45, 12,630,731.18 and 3,029,969.85

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Solution

The fourth proportional to 8,420,487.45, 12,630,731.18 and 3,029,969.85 is: 4,544,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420,487.45 : 12,630,731.18 = 3,029,969.85 : x
  2. Step 2: Convert to fraction form
    8,420,487.45/12,630,731.18 = 3,029,969.85/x
  3. Step 3: Cross multiply
    8,420,487.45x = 12,630,731.18 × 3,029,969.85
  4. Step 4: Simplify right side
    8,420,487.45x = 38,270,734,643,705.08
  5. Step 5: Solve for x
    x = 38,270,734,643,705.08/8,420,487.45
  6. Step 6: Final answer
    x = 4,544,954.78

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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.