Home / 18,162,718.22-25,064,746.86-9,902,713.24

Finding the Fourth Proportional to 18,162,718.22, 25,064,746.86 and 9,902,713.24

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Solution

The fourth proportional to 18,162,718.22, 25,064,746.86 and 9,902,713.24 is: 13,665,850.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162,718.22 : 25,064,746.86 = 9,902,713.24 : x
  2. Step 2: Convert to fraction form
    18,162,718.22/25,064,746.86 = 9,902,713.24/x
  3. Step 3: Cross multiply
    18,162,718.22x = 25,064,746.86 × 9,902,713.24
  4. Step 4: Simplify right side
    18,162,718.22x = 248,209,000,587,770.44
  5. Step 5: Solve for x
    x = 248,209,000,587,770.44/18,162,718.22
  6. Step 6: Final answer
    x = 13,665,850.98

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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.