Home / 27,216,943.20-40,769,427.60-13,761,352.80

Finding the Fourth Proportional to 27,216,943.20, 40,769,427.60 and 13,761,352.80

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Solution

The fourth proportional to 27,216,943.20, 40,769,427.60 and 13,761,352.80 is: 20,613,721.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216,943.20 : 40,769,427.60 = 13,761,352.80 : x
  2. Step 2: Convert to fraction form
    27,216,943.20/40,769,427.60 = 13,761,352.80/x
  3. Step 3: Cross multiply
    27,216,943.20x = 40,769,427.60 × 13,761,352.80
  4. Step 4: Simplify right side
    27,216,943.20x = 561,042,476,657,657.31
  5. Step 5: Solve for x
    x = 561,042,476,657,657.31/27,216,943.20
  6. Step 6: Final answer
    x = 20,613,721.11

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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.