Home / 21,381,062.22-29,509,060.59-16,831,618.38

Finding the Fourth Proportional to 21,381,062.22, 29,509,060.59 and 16,831,618.38

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Solution

The fourth proportional to 21,381,062.22, 29,509,060.59 and 16,831,618.38 is: 23,230,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,381,062.22 : 29,509,060.59 = 16,831,618.38 : x
  2. Step 2: Convert to fraction form
    21,381,062.22/29,509,060.59 = 16,831,618.38/x
  3. Step 3: Cross multiply
    21,381,062.22x = 29,509,060.59 × 16,831,618.38
  4. Step 4: Simplify right side
    21,381,062.22x = 496,685,246,603,177.62
  5. Step 5: Solve for x
    x = 496,685,246,603,177.62/21,381,062.22
  6. Step 6: Final answer
    x = 23,230,148.32

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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.