Home / 20,736,031.40-31,104,047.10-5,591,493.80

Finding the Fourth Proportional to 20,736,031.40, 31,104,047.10 and 5,591,493.80

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Solution

The fourth proportional to 20,736,031.40, 31,104,047.10 and 5,591,493.80 is: 8,387,240.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,031.40 : 31,104,047.10 = 5,591,493.80 : x
  2. Step 2: Convert to fraction form
    20,736,031.40/31,104,047.10 = 5,591,493.80/x
  3. Step 3: Cross multiply
    20,736,031.40x = 31,104,047.10 × 5,591,493.80
  4. Step 4: Simplify right side
    20,736,031.40x = 173,918,086,514,557.97
  5. Step 5: Solve for x
    x = 173,918,086,514,557.97/20,736,031.40
  6. Step 6: Final answer
    x = 8,387,240.70

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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.