Home / 28,314,579.20-42,471,868.80-26,124,857.60

Finding the Fourth Proportional to 28,314,579.20, 42,471,868.80 and 26,124,857.60

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Solution

The fourth proportional to 28,314,579.20, 42,471,868.80 and 26,124,857.60 is: 39,187,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,314,579.20 : 42,471,868.80 = 26,124,857.60 : x
  2. Step 2: Convert to fraction form
    28,314,579.20/42,471,868.80 = 26,124,857.60/x
  3. Step 3: Cross multiply
    28,314,579.20x = 42,471,868.80 × 26,124,857.60
  4. Step 4: Simplify right side
    28,314,579.20x = 1,109,571,524,405,882.88
  5. Step 5: Solve for x
    x = 1,109,571,524,405,882.88/28,314,579.20
  6. Step 6: Final answer
    x = 39,187,286.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.