Home / 7,286,139.20-10,929,208.80-3,498,708.80

Finding the Fourth Proportional to 7,286,139.20, 10,929,208.80 and 3,498,708.80

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Solution

The fourth proportional to 7,286,139.20, 10,929,208.80 and 3,498,708.80 is: 5,248,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286,139.20 : 10,929,208.80 = 3,498,708.80 : x
  2. Step 2: Convert to fraction form
    7,286,139.20/10,929,208.80 = 3,498,708.80/x
  3. Step 3: Cross multiply
    7,286,139.20x = 10,929,208.80 × 3,498,708.80
  4. Step 4: Simplify right side
    7,286,139.20x = 38,238,119,005,597.44
  5. Step 5: Solve for x
    x = 38,238,119,005,597.44/7,286,139.20
  6. Step 6: Final answer
    x = 5,248,063.20

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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.