Home / 47,942,751.52-71,965,302.36-20,662,507.36

Finding the Fourth Proportional to 47,942,751.52, 71,965,302.36 and 20,662,507.36

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Solution

The fourth proportional to 47,942,751.52, 71,965,302.36 and 20,662,507.36 is: 31,015,816.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942,751.52 : 71,965,302.36 = 20,662,507.36 : x
  2. Step 2: Convert to fraction form
    47,942,751.52/71,965,302.36 = 20,662,507.36/x
  3. Step 3: Cross multiply
    47,942,751.52x = 71,965,302.36 × 20,662,507.36
  4. Step 4: Simplify right side
    47,942,751.52x = 1,486,983,589,678,125.25
  5. Step 5: Solve for x
    x = 1,486,983,589,678,125.25/47,942,751.52
  6. Step 6: Final answer
    x = 31,015,816.63

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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.