Home / 7,518,409.20-10,375,414.20-4,080,650.40

Finding the Fourth Proportional to 7,518,409.20, 10,375,414.20 and 4,080,650.40

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Solution

The fourth proportional to 7,518,409.20, 10,375,414.20 and 4,080,650.40 is: 5,631,302.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,409.20 : 10,375,414.20 = 4,080,650.40 : x
  2. Step 2: Convert to fraction form
    7,518,409.20/10,375,414.20 = 4,080,650.40/x
  3. Step 3: Cross multiply
    7,518,409.20x = 10,375,414.20 × 4,080,650.40
  4. Step 4: Simplify right side
    7,518,409.20x = 42,338,438,105,395.68
  5. Step 5: Solve for x
    x = 42,338,438,105,395.68/7,518,409.20
  6. Step 6: Final answer
    x = 5,631,302.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.