Home / 8,272,340.80-12,384,016.80-6,151,825.60

Finding the Fourth Proportional to 8,272,340.80, 12,384,016.80 and 6,151,825.60

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Solution

The fourth proportional to 8,272,340.80, 12,384,016.80 and 6,151,825.60 is: 9,209,522.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272,340.80 : 12,384,016.80 = 6,151,825.60 : x
  2. Step 2: Convert to fraction form
    8,272,340.80/12,384,016.80 = 6,151,825.60/x
  3. Step 3: Cross multiply
    8,272,340.80x = 12,384,016.80 × 6,151,825.60
  4. Step 4: Simplify right side
    8,272,340.80x = 76,184,311,581,070.08
  5. Step 5: Solve for x
    x = 76,184,311,581,070.08/8,272,340.80
  6. Step 6: Final answer
    x = 9,209,522.85

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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.