Home / 12,427,633.50-18,642,114.56-3,908,634.27

Finding the Fourth Proportional to 12,427,633.50, 18,642,114.56 and 3,908,634.27

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Solution

The fourth proportional to 12,427,633.50, 18,642,114.56 and 3,908,634.27 is: 5,863,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427,633.50 : 18,642,114.56 = 3,908,634.27 : x
  2. Step 2: Convert to fraction form
    12,427,633.50/18,642,114.56 = 3,908,634.27/x
  3. Step 3: Cross multiply
    12,427,633.50x = 18,642,114.56 × 3,908,634.27
  4. Step 4: Simplify right side
    12,427,633.50x = 72,865,207,834,481.97
  5. Step 5: Solve for x
    x = 72,865,207,834,481.97/12,427,633.50
  6. Step 6: Final answer
    x = 5,863,160.34

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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.