Home / 28,677,620.20-43,016,430.30-26,996,621.80

Finding the Fourth Proportional to 28,677,620.20, 43,016,430.30 and 26,996,621.80

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Solution

The fourth proportional to 28,677,620.20, 43,016,430.30 and 26,996,621.80 is: 40,494,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677,620.20 : 43,016,430.30 = 26,996,621.80 : x
  2. Step 2: Convert to fraction form
    28,677,620.20/43,016,430.30 = 26,996,621.80/x
  3. Step 3: Cross multiply
    28,677,620.20x = 43,016,430.30 × 26,996,621.80
  4. Step 4: Simplify right side
    28,677,620.20x = 1,161,298,299,995,160.50
  5. Step 5: Solve for x
    x = 1,161,298,299,995,160.50/28,677,620.20
  6. Step 6: Final answer
    x = 40,494,932.70

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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.