Home / 18,490,938.38-25,518,247.84-10,230,866.88

Finding the Fourth Proportional to 18,490,938.38, 25,518,247.84 and 10,230,866.88

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Solution

The fourth proportional to 18,490,938.38, 25,518,247.84 and 10,230,866.88 is: 14,119,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490,938.38 : 25,518,247.84 = 10,230,866.88 : x
  2. Step 2: Convert to fraction form
    18,490,938.38/25,518,247.84 = 10,230,866.88/x
  3. Step 3: Cross multiply
    18,490,938.38x = 25,518,247.84 × 10,230,866.88
  4. Step 4: Simplify right side
    18,490,938.38x = 261,073,796,661,887.56
  5. Step 5: Solve for x
    x = 261,073,796,661,887.56/18,490,938.38
  6. Step 6: Final answer
    x = 14,119,012.85

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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.