Home / 15,876,790.96-21,922,312.96-12,199,911.76

Finding the Fourth Proportional to 15,876,790.96, 21,922,312.96 and 12,199,911.76

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Solution

The fourth proportional to 15,876,790.96, 21,922,312.96 and 12,199,911.76 is: 16,845,361.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876,790.96 : 21,922,312.96 = 12,199,911.76 : x
  2. Step 2: Convert to fraction form
    15,876,790.96/21,922,312.96 = 12,199,911.76/x
  3. Step 3: Cross multiply
    15,876,790.96x = 21,922,312.96 × 12,199,911.76
  4. Step 4: Simplify right side
    15,876,790.96x = 267,450,283,687,104.41
  5. Step 5: Solve for x
    x = 267,450,283,687,104.41/15,876,790.96
  6. Step 6: Final answer
    x = 16,845,361.53

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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.