Home / 14,121,215.12-21,188,976.60-6,444,009.20

Finding the Fourth Proportional to 14,121,215.12, 21,188,976.60 and 6,444,009.20

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Solution

The fourth proportional to 14,121,215.12, 21,188,976.60 and 6,444,009.20 is: 9,669,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121,215.12 : 21,188,976.60 = 6,444,009.20 : x
  2. Step 2: Convert to fraction form
    14,121,215.12/21,188,976.60 = 6,444,009.20/x
  3. Step 3: Cross multiply
    14,121,215.12x = 21,188,976.60 × 6,444,009.20
  4. Step 4: Simplify right side
    14,121,215.12x = 136,541,960,148,984.73
  5. Step 5: Solve for x
    x = 136,541,960,148,984.73/14,121,215.12
  6. Step 6: Final answer
    x = 9,669,278.39

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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.