Home / 7,427,296.80-11,140,945.20-6,482,512.80

Finding the Fourth Proportional to 7,427,296.80, 11,140,945.20 and 6,482,512.80

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Solution

The fourth proportional to 7,427,296.80, 11,140,945.20 and 6,482,512.80 is: 9,723,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427,296.80 : 11,140,945.20 = 6,482,512.80 : x
  2. Step 2: Convert to fraction form
    7,427,296.80/11,140,945.20 = 6,482,512.80/x
  3. Step 3: Cross multiply
    7,427,296.80x = 11,140,945.20 × 6,482,512.80
  4. Step 4: Simplify right side
    7,427,296.80x = 72,221,319,863,098.55
  5. Step 5: Solve for x
    x = 72,221,319,863,098.55/7,427,296.80
  6. Step 6: Final answer
    x = 9,723,769.20

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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.