Home / 21,902,531.08-30,224,731.54-12,609,793.12

Finding the Fourth Proportional to 21,902,531.08, 30,224,731.54 and 12,609,793.12

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Solution

The fourth proportional to 21,902,531.08, 30,224,731.54 and 12,609,793.12 is: 17,401,076.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,902,531.08 : 30,224,731.54 = 12,609,793.12 : x
  2. Step 2: Convert to fraction form
    21,902,531.08/30,224,731.54 = 12,609,793.12/x
  3. Step 3: Cross multiply
    21,902,531.08x = 30,224,731.54 × 12,609,793.12
  4. Step 4: Simplify right side
    21,902,531.08x = 381,127,611,826,939
  5. Step 5: Solve for x
    x = 381,127,611,826,939/21,902,531.08
  6. Step 6: Final answer
    x = 17,401,076.18

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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.