Home / 19,720,504.20-29,580,756.30-6,257,310.60

Finding the Fourth Proportional to 19,720,504.20, 29,580,756.30 and 6,257,310.60

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Solution

The fourth proportional to 19,720,504.20, 29,580,756.30 and 6,257,310.60 is: 9,385,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,504.20 : 29,580,756.30 = 6,257,310.60 : x
  2. Step 2: Convert to fraction form
    19,720,504.20/29,580,756.30 = 6,257,310.60/x
  3. Step 3: Cross multiply
    19,720,504.20x = 29,580,756.30 × 6,257,310.60
  4. Step 4: Simplify right side
    19,720,504.20x = 185,095,979,952,006.78
  5. Step 5: Solve for x
    x = 185,095,979,952,006.78/19,720,504.20
  6. Step 6: Final answer
    x = 9,385,965.90

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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.