Home / 8,055,148.20-12,096,719.10-7,803,205.80

Finding the Fourth Proportional to 8,055,148.20, 12,096,719.10 and 7,803,205.80

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Solution

The fourth proportional to 8,055,148.20, 12,096,719.10 and 7,803,205.80 is: 11,718,367.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055,148.20 : 12,096,719.10 = 7,803,205.80 : x
  2. Step 2: Convert to fraction form
    8,055,148.20/12,096,719.10 = 7,803,205.80/x
  3. Step 3: Cross multiply
    8,055,148.20x = 12,096,719.10 × 7,803,205.80
  4. Step 4: Simplify right side
    8,055,148.20x = 94,393,188,642,090.78
  5. Step 5: Solve for x
    x = 94,393,188,642,090.78/8,055,148.20
  6. Step 6: Final answer
    x = 11,718,367.72

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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.