Home / 25,692,118.83-38,542,498.07-12,738,908.79

Finding the Fourth Proportional to 25,692,118.83, 38,542,498.07 and 12,738,908.79

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Solution

The fourth proportional to 25,692,118.83, 38,542,498.07 and 12,738,908.79 is: 19,110,505.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692,118.83 : 38,542,498.07 = 12,738,908.79 : x
  2. Step 2: Convert to fraction form
    25,692,118.83/38,542,498.07 = 12,738,908.79/x
  3. Step 3: Cross multiply
    25,692,118.83x = 38,542,498.07 × 12,738,908.79
  4. Step 4: Simplify right side
    25,692,118.83x = 490,989,367,388,786.44
  5. Step 5: Solve for x
    x = 490,989,367,388,786.44/25,692,118.83
  6. Step 6: Final answer
    x = 19,110,505.08

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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.