Home / 18,620,230.52-25,695,515.34-10,780,073.35

Finding the Fourth Proportional to 18,620,230.52, 25,695,515.34 and 10,780,073.35

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Solution

The fourth proportional to 18,620,230.52, 25,695,515.34 and 10,780,073.35 is: 14,876,268.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620,230.52 : 25,695,515.34 = 10,780,073.35 : x
  2. Step 2: Convert to fraction form
    18,620,230.52/25,695,515.34 = 10,780,073.35/x
  3. Step 3: Cross multiply
    18,620,230.52x = 25,695,515.34 × 10,780,073.35
  4. Step 4: Simplify right side
    18,620,230.52x = 276,999,540,067,011.41
  5. Step 5: Solve for x
    x = 276,999,540,067,011.41/18,620,230.52
  6. Step 6: Final answer
    x = 14,876,268.03

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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.