Home / 11,917,964.74-17,872,409.48-7,061,641.64

Finding the Fourth Proportional to 11,917,964.74, 17,872,409.48 and 7,061,641.64

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Solution

The fourth proportional to 11,917,964.74, 17,872,409.48 and 7,061,641.64 is: 10,589,773.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917,964.74 : 17,872,409.48 = 7,061,641.64 : x
  2. Step 2: Convert to fraction form
    11,917,964.74/17,872,409.48 = 7,061,641.64/x
  3. Step 3: Cross multiply
    11,917,964.74x = 17,872,409.48 × 7,061,641.64
  4. Step 4: Simplify right side
    11,917,964.74x = 126,208,550,991,098.75
  5. Step 5: Solve for x
    x = 126,208,550,991,098.75/11,917,964.74
  6. Step 6: Final answer
    x = 10,589,773.82

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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.