Home / 25,487,557.20-38,231,335.80-18,366,247.80

Finding the Fourth Proportional to 25,487,557.20, 38,231,335.80 and 18,366,247.80

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Solution

The fourth proportional to 25,487,557.20, 38,231,335.80 and 18,366,247.80 is: 27,549,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487,557.20 : 38,231,335.80 = 18,366,247.80 : x
  2. Step 2: Convert to fraction form
    25,487,557.20/38,231,335.80 = 18,366,247.80/x
  3. Step 3: Cross multiply
    25,487,557.20x = 38,231,335.80 × 18,366,247.80
  4. Step 4: Simplify right side
    25,487,557.20x = 702,166,187,027,811.25
  5. Step 5: Solve for x
    x = 702,166,187,027,811.25/25,487,557.20
  6. Step 6: Final answer
    x = 27,549,371.70

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1.5x scale

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.