Home / 7,500,775.20-11,251,162.80-7,185,847.20

Finding the Fourth Proportional to 7,500,775.20, 11,251,162.80 and 7,185,847.20

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Solution

The fourth proportional to 7,500,775.20, 11,251,162.80 and 7,185,847.20 is: 10,778,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500,775.20 : 11,251,162.80 = 7,185,847.20 : x
  2. Step 2: Convert to fraction form
    7,500,775.20/11,251,162.80 = 7,185,847.20/x
  3. Step 3: Cross multiply
    7,500,775.20x = 11,251,162.80 × 7,185,847.20
  4. Step 4: Simplify right side
    7,500,775.20x = 80,849,136,703,124.17
  5. Step 5: Solve for x
    x = 80,849,136,703,124.17/7,500,775.20
  6. Step 6: Final answer
    x = 10,778,770.80

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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.