Home / 20,996,046.20-31,494,069.30-5,039,694.20

Finding the Fourth Proportional to 20,996,046.20, 31,494,069.30 and 5,039,694.20

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Solution

The fourth proportional to 20,996,046.20, 31,494,069.30 and 5,039,694.20 is: 7,559,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,046.20 : 31,494,069.30 = 5,039,694.20 : x
  2. Step 2: Convert to fraction form
    20,996,046.20/31,494,069.30 = 5,039,694.20/x
  3. Step 3: Cross multiply
    20,996,046.20x = 31,494,069.30 × 5,039,694.20
  4. Step 4: Simplify right side
    20,996,046.20x = 158,720,478,385,608.06
  5. Step 5: Solve for x
    x = 158,720,478,385,608.06/20,996,046.20
  6. Step 6: Final answer
    x = 7,559,541.30

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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.