Home / 18,126,302.94-25,013,560.05-10,385,962.38

Finding the Fourth Proportional to 18,126,302.94, 25,013,560.05 and 10,385,962.38

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Solution

The fourth proportional to 18,126,302.94, 25,013,560.05 and 10,385,962.38 is: 14,332,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,302.94 : 25,013,560.05 = 10,385,962.38 : x
  2. Step 2: Convert to fraction form
    18,126,302.94/25,013,560.05 = 10,385,962.38/x
  3. Step 3: Cross multiply
    18,126,302.94x = 25,013,560.05 × 10,385,962.38
  4. Step 4: Simplify right side
    18,126,302.94x = 259,789,893,669,170.94
  5. Step 5: Solve for x
    x = 259,789,893,669,170.94/18,126,302.94
  6. Step 6: Final answer
    x = 14,332,205.22

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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.