Home / 18,126,304.94-25,013,562.81-10,385,964.38

Finding the Fourth Proportional to 18,126,304.94, 25,013,562.81 and 10,385,964.38

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Solution

The fourth proportional to 18,126,304.94, 25,013,562.81 and 10,385,964.38 is: 14,332,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,304.94 : 25,013,562.81 = 10,385,964.38 : x
  2. Step 2: Convert to fraction form
    18,126,304.94/25,013,562.81 = 10,385,964.38/x
  3. Step 3: Cross multiply
    18,126,304.94x = 25,013,562.81 × 10,385,964.38
  4. Step 4: Simplify right side
    18,126,304.94x = 259,789,972,361,552.72
  5. Step 5: Solve for x
    x = 259,789,972,361,552.72/18,126,304.94
  6. Step 6: Final answer
    x = 14,332,207.98

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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.