Home / 15,769,272.20-21,761,555.46-8,799,875.96

Finding the Fourth Proportional to 15,769,272.20, 21,761,555.46 and 8,799,875.96

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Solution

The fourth proportional to 15,769,272.20, 21,761,555.46 and 8,799,875.96 is: 12,143,806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769,272.20 : 21,761,555.46 = 8,799,875.96 : x
  2. Step 2: Convert to fraction form
    15,769,272.20/21,761,555.46 = 8,799,875.96/x
  3. Step 3: Cross multiply
    15,769,272.20x = 21,761,555.46 × 8,799,875.96
  4. Step 4: Simplify right side
    15,769,272.20x = 191,498,988,744,660.78
  5. Step 5: Solve for x
    x = 191,498,988,744,660.78/15,769,272.20
  6. Step 6: Final answer
    x = 12,143,806.41

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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.