Home / 25,280,797.31-34,887,499.75-13,678,360.80

Finding the Fourth Proportional to 25,280,797.31, 34,887,499.75 and 13,678,360.80

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Solution

The fourth proportional to 25,280,797.31, 34,887,499.75 and 13,678,360.80 is: 18,876,137.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280,797.31 : 34,887,499.75 = 13,678,360.80 : x
  2. Step 2: Convert to fraction form
    25,280,797.31/34,887,499.75 = 13,678,360.80/x
  3. Step 3: Cross multiply
    25,280,797.31x = 34,887,499.75 × 13,678,360.80
  4. Step 4: Simplify right side
    25,280,797.31x = 477,203,808,876,679.62
  5. Step 5: Solve for x
    x = 477,203,808,876,679.62/25,280,797.31
  6. Step 6: Final answer
    x = 18,876,137.61

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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.