Home / 7,649,125.20-11,473,687.80-7,200,352.80

Finding the Fourth Proportional to 7,649,125.20, 11,473,687.80 and 7,200,352.80

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Solution

The fourth proportional to 7,649,125.20, 11,473,687.80 and 7,200,352.80 is: 10,800,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649,125.20 : 11,473,687.80 = 7,200,352.80 : x
  2. Step 2: Convert to fraction form
    7,649,125.20/11,473,687.80 = 7,200,352.80/x
  3. Step 3: Cross multiply
    7,649,125.20x = 11,473,687.80 × 7,200,352.80
  4. Step 4: Simplify right side
    7,649,125.20x = 82,614,600,077,055.84
  5. Step 5: Solve for x
    x = 82,614,600,077,055.84/7,649,125.20
  6. Step 6: Final answer
    x = 10,800,529.20

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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.