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Finding the Fourth Proportional to 17,976,019.20, 26,964,028.80 and 7,898,323.20

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Solution

The fourth proportional to 17,976,019.20, 26,964,028.80 and 7,898,323.20 is: 11,847,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,976,019.20 : 26,964,028.80 = 7,898,323.20 : x
  2. Step 2: Convert to fraction form
    17,976,019.20/26,964,028.80 = 7,898,323.20/x
  3. Step 3: Cross multiply
    17,976,019.20x = 26,964,028.80 × 7,898,323.20
  4. Step 4: Simplify right side
    17,976,019.20x = 212,970,614,236,508.16
  5. Step 5: Solve for x
    x = 212,970,614,236,508.16/17,976,019.20
  6. Step 6: Final answer
    x = 11,847,484.80

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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.