Home / 12,259,863.78-16,918,610.76-7,106,214.66

Finding the Fourth Proportional to 12,259,863.78, 16,918,610.76 and 7,106,214.66

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Solution

The fourth proportional to 12,259,863.78, 16,918,610.76 and 7,106,214.66 is: 9,806,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259,863.78 : 16,918,610.76 = 7,106,214.66 : x
  2. Step 2: Convert to fraction form
    12,259,863.78/16,918,610.76 = 7,106,214.66/x
  3. Step 3: Cross multiply
    12,259,863.78x = 16,918,610.76 × 7,106,214.66
  4. Step 4: Simplify right side
    12,259,863.78x = 120,227,279,809,545.75
  5. Step 5: Solve for x
    x = 120,227,279,809,545.75/12,259,863.78
  6. Step 6: Final answer
    x = 9,806,575.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.