Home / 15,195,822.08-21,005,576.56-13,558,200.13

Finding the Fourth Proportional to 15,195,822.08, 21,005,576.56 and 13,558,200.13

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Solution

The fourth proportional to 15,195,822.08, 21,005,576.56 and 13,558,200.13 is: 18,741,849.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,195,822.08 : 21,005,576.56 = 13,558,200.13 : x
  2. Step 2: Convert to fraction form
    15,195,822.08/21,005,576.56 = 13,558,200.13/x
  3. Step 3: Cross multiply
    15,195,822.08x = 21,005,576.56 × 13,558,200.13
  4. Step 4: Simplify right side
    15,195,822.08x = 284,797,810,838,878.44
  5. Step 5: Solve for x
    x = 284,797,810,838,878.44/15,195,822.08
  6. Step 6: Final answer
    x = 18,741,849.53

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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.