Home / 7,883,672.80-11,825,509.20-7,750,812.55

Finding the Fourth Proportional to 7,883,672.80, 11,825,509.20 and 7,750,812.55

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Solution

The fourth proportional to 7,883,672.80, 11,825,509.20 and 7,750,812.55 is: 11,626,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883,672.80 : 11,825,509.20 = 7,750,812.55 : x
  2. Step 2: Convert to fraction form
    7,883,672.80/11,825,509.20 = 7,750,812.55/x
  3. Step 3: Cross multiply
    7,883,672.80x = 11,825,509.20 × 7,750,812.55
  4. Step 4: Simplify right side
    7,883,672.80x = 91,657,305,117,500.45
  5. Step 5: Solve for x
    x = 91,657,305,117,500.45/7,883,672.80
  6. Step 6: Final answer
    x = 11,626,218.83

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1.5x scale

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.