Home / 25,782,164.10-38,672,684.36-12,127,742.06

Finding the Fourth Proportional to 25,782,164.10, 38,672,684.36 and 12,127,742.06

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Solution

The fourth proportional to 25,782,164.10, 38,672,684.36 and 12,127,742.06 is: 18,191,348.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,782,164.10 : 38,672,684.36 = 12,127,742.06 : x
  2. Step 2: Convert to fraction form
    25,782,164.10/38,672,684.36 = 12,127,742.06/x
  3. Step 3: Cross multiply
    25,782,164.10x = 38,672,684.36 × 12,127,742.06
  4. Step 4: Simplify right side
    25,782,164.10x = 469,012,340,431,874
  5. Step 5: Solve for x
    x = 469,012,340,431,874/25,782,164.10
  6. Step 6: Final answer
    x = 18,191,348.82

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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.