Home / 13,412,680.73-18,508,444.14-7,611,462.46

Finding the Fourth Proportional to 13,412,680.73, 18,508,444.14 and 7,611,462.46

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Solution

The fourth proportional to 13,412,680.73, 18,508,444.14 and 7,611,462.46 is: 10,503,219.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,680.73 : 18,508,444.14 = 7,611,462.46 : x
  2. Step 2: Convert to fraction form
    13,412,680.73/18,508,444.14 = 7,611,462.46/x
  3. Step 3: Cross multiply
    13,412,680.73x = 18,508,444.14 × 7,611,462.46
  4. Step 4: Simplify right side
    13,412,680.73x = 140,876,327,712,185.53
  5. Step 5: Solve for x
    x = 140,876,327,712,185.53/13,412,680.73
  6. Step 6: Final answer
    x = 10,503,219.34

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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.