Home / 7,720,986.72-11,573,949.50-3,676,387.80

Finding the Fourth Proportional to 7,720,986.72, 11,573,949.50 and 3,676,387.80

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Solution

The fourth proportional to 7,720,986.72, 11,573,949.50 and 3,676,387.80 is: 5,510,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720,986.72 : 11,573,949.50 = 3,676,387.80 : x
  2. Step 2: Convert to fraction form
    7,720,986.72/11,573,949.50 = 3,676,387.80/x
  3. Step 3: Cross multiply
    7,720,986.72x = 11,573,949.50 × 3,676,387.80
  4. Step 4: Simplify right side
    7,720,986.72x = 42,550,326,739,616.10
  5. Step 5: Solve for x
    x = 42,550,326,739,616.10/7,720,986.72
  6. Step 6: Final answer
    x = 5,510,995.98

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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.