Home / 21,734,052.72-29,991,772.44-13,027,868.16

Finding the Fourth Proportional to 21,734,052.72, 29,991,772.44 and 13,027,868.16

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Solution

The fourth proportional to 21,734,052.72, 29,991,772.44 and 13,027,868.16 is: 17,977,726.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,734,052.72 : 29,991,772.44 = 13,027,868.16 : x
  2. Step 2: Convert to fraction form
    21,734,052.72/29,991,772.44 = 13,027,868.16/x
  3. Step 3: Cross multiply
    21,734,052.72x = 29,991,772.44 × 13,027,868.16
  4. Step 4: Simplify right side
    21,734,052.72x = 390,728,857,233,041.56
  5. Step 5: Solve for x
    x = 390,728,857,233,041.56/21,734,052.72
  6. Step 6: Final answer
    x = 17,977,726.58

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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.