Home / 12,799,826.60-17,668,564.09-8,389,836.36

Finding the Fourth Proportional to 12,799,826.60, 17,668,564.09 and 8,389,836.36

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Solution

The fourth proportional to 12,799,826.60, 17,668,564.09 and 8,389,836.36 is: 11,581,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799,826.60 : 17,668,564.09 = 8,389,836.36 : x
  2. Step 2: Convert to fraction form
    12,799,826.60/17,668,564.09 = 8,389,836.36/x
  3. Step 3: Cross multiply
    12,799,826.60x = 17,668,564.09 × 8,389,836.36
  4. Step 4: Simplify right side
    12,799,826.60x = 148,236,361,410,297.69
  5. Step 5: Solve for x
    x = 148,236,361,410,297.69/12,799,826.60
  6. Step 6: Final answer
    x = 11,581,122.63

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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.