Home / 12,847,405.20-17,729,336.04-7,342,463.76

Finding the Fourth Proportional to 12,847,405.20, 17,729,336.04 and 7,342,463.76

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Solution

The fourth proportional to 12,847,405.20, 17,729,336.04 and 7,342,463.76 is: 10,132,552.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847,405.20 : 17,729,336.04 = 7,342,463.76 : x
  2. Step 2: Convert to fraction form
    12,847,405.20/17,729,336.04 = 7,342,463.76/x
  3. Step 3: Cross multiply
    12,847,405.20x = 17,729,336.04 × 7,342,463.76
  4. Step 4: Simplify right side
    12,847,405.20x = 130,177,007,362,561.91
  5. Step 5: Solve for x
    x = 130,177,007,362,561.91/12,847,405.20
  6. Step 6: Final answer
    x = 10,132,552.48

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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.