Home / 7,912,788.48-11,867,521.95-2,231,684.19

Finding the Fourth Proportional to 7,912,788.48, 11,867,521.95 and 2,231,684.19

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Solution

The fourth proportional to 7,912,788.48, 11,867,521.95 and 2,231,684.19 is: 3,347,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,788.48 : 11,867,521.95 = 2,231,684.19 : x
  2. Step 2: Convert to fraction form
    7,912,788.48/11,867,521.95 = 2,231,684.19/x
  3. Step 3: Cross multiply
    7,912,788.48x = 11,867,521.95 × 2,231,684.19
  4. Step 4: Simplify right side
    7,912,788.48x = 26,484,561,110,292.97
  5. Step 5: Solve for x
    x = 26,484,561,110,292.97/7,912,788.48
  6. Step 6: Final answer
    x = 3,347,057.89

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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.