Home / 15,769,272.39-21,761,555.26-8,799,875.66

Finding the Fourth Proportional to 15,769,272.39, 21,761,555.26 and 8,799,875.66

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Solution

The fourth proportional to 15,769,272.39, 21,761,555.26 and 8,799,875.66 is: 12,143,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769,272.39 : 21,761,555.26 = 8,799,875.66 : x
  2. Step 2: Convert to fraction form
    15,769,272.39/21,761,555.26 = 8,799,875.66/x
  3. Step 3: Cross multiply
    15,769,272.39x = 21,761,555.26 × 8,799,875.66
  4. Step 4: Simplify right side
    15,769,272.39x = 191,498,980,456,219
  5. Step 5: Solve for x
    x = 191,498,980,456,219/15,769,272.39
  6. Step 6: Final answer
    x = 12,143,805.73

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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.