Home / 18,126,303.94-25,013,561.43-10,385,963.38

Finding the Fourth Proportional to 18,126,303.94, 25,013,561.43 and 10,385,963.38

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Solution

The fourth proportional to 18,126,303.94, 25,013,561.43 and 10,385,963.38 is: 14,332,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,303.94 : 25,013,561.43 = 10,385,963.38 : x
  2. Step 2: Convert to fraction form
    18,126,303.94/25,013,561.43 = 10,385,963.38/x
  3. Step 3: Cross multiply
    18,126,303.94x = 25,013,561.43 × 10,385,963.38
  4. Step 4: Simplify right side
    18,126,303.94x = 259,789,933,015,360.44
  5. Step 5: Solve for x
    x = 259,789,933,015,360.44/18,126,303.94
  6. Step 6: Final answer
    x = 14,332,206.60

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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.