Home / 21,220,067.13-29,283,692.94-11,562,275.13

Finding the Fourth Proportional to 21,220,067.13, 29,283,692.94 and 11,562,275.13

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Solution

The fourth proportional to 21,220,067.13, 29,283,692.94 and 11,562,275.13 is: 15,955,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,220,067.13 : 29,283,692.94 = 11,562,275.13 : x
  2. Step 2: Convert to fraction form
    21,220,067.13/29,283,692.94 = 11,562,275.13/x
  3. Step 3: Cross multiply
    21,220,067.13x = 29,283,692.94 × 11,562,275.13
  4. Step 4: Simplify right side
    21,220,067.13x = 338,586,114,594,718.62
  5. Step 5: Solve for x
    x = 338,586,114,594,718.62/21,220,067.13
  6. Step 6: Final answer
    x = 15,955,939.84

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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.