Home / 15,083,691.90-20,825,908.83-14,120,012.22

Finding the Fourth Proportional to 15,083,691.90, 20,825,908.83 and 14,120,012.22

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Solution

The fourth proportional to 15,083,691.90, 20,825,908.83 and 14,120,012.22 is: 19,495,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,083,691.90 : 20,825,908.83 = 14,120,012.22 : x
  2. Step 2: Convert to fraction form
    15,083,691.90/20,825,908.83 = 14,120,012.22/x
  3. Step 3: Cross multiply
    15,083,691.90x = 20,825,908.83 × 14,120,012.22
  4. Step 4: Simplify right side
    15,083,691.90x = 294,062,087,172,205.88
  5. Step 5: Solve for x
    x = 294,062,087,172,205.88/15,083,691.90
  6. Step 6: Final answer
    x = 19,495,365.53

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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.