Home / 18,385,542.23-25,371,738.74-10,126,373.63

Finding the Fourth Proportional to 18,385,542.23, 25,371,738.74 and 10,126,373.63

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Solution

The fourth proportional to 18,385,542.23, 25,371,738.74 and 10,126,373.63 is: 13,974,225.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385,542.23 : 25,371,738.74 = 10,126,373.63 : x
  2. Step 2: Convert to fraction form
    18,385,542.23/25,371,738.74 = 10,126,373.63/x
  3. Step 3: Cross multiply
    18,385,542.23x = 25,371,738.74 × 10,126,373.63
  4. Step 4: Simplify right side
    18,385,542.23x = 256,923,706,073,353.56
  5. Step 5: Solve for x
    x = 256,923,706,073,353.56/18,385,542.23
  6. Step 6: Final answer
    x = 13,974,225.12

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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.