Home / 12,984,806.20-19,472,616.60-4,463,160.70

Finding the Fourth Proportional to 12,984,806.20, 19,472,616.60 and 4,463,160.70

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Solution

The fourth proportional to 12,984,806.20, 19,472,616.60 and 4,463,160.70 is: 6,693,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984,806.20 : 19,472,616.60 = 4,463,160.70 : x
  2. Step 2: Convert to fraction form
    12,984,806.20/19,472,616.60 = 4,463,160.70/x
  3. Step 3: Cross multiply
    12,984,806.20x = 19,472,616.60 × 4,463,160.70
  4. Step 4: Simplify right side
    12,984,806.20x = 86,909,417,135,287.62
  5. Step 5: Solve for x
    x = 86,909,417,135,287.62/12,984,806.20
  6. Step 6: Final answer
    x = 6,693,162.44

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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.