Home / 47,942,750.52-71,965,300.86-20,662,506.36

Finding the Fourth Proportional to 47,942,750.52, 71,965,300.86 and 20,662,506.36

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Solution

The fourth proportional to 47,942,750.52, 71,965,300.86 and 20,662,506.36 is: 31,015,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942,750.52 : 71,965,300.86 = 20,662,506.36 : x
  2. Step 2: Convert to fraction form
    47,942,750.52/71,965,300.86 = 20,662,506.36/x
  3. Step 3: Cross multiply
    47,942,750.52x = 71,965,300.86 × 20,662,506.36
  4. Step 4: Simplify right side
    47,942,750.52x = 1,486,983,486,719,063.50
  5. Step 5: Solve for x
    x = 1,486,983,486,719,063.50/47,942,750.52
  6. Step 6: Final answer
    x = 31,015,815.13

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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.