Home / 21,138,098.20-31,707,147.30-17,551,029.40

Finding the Fourth Proportional to 21,138,098.20, 31,707,147.30 and 17,551,029.40

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Solution

The fourth proportional to 21,138,098.20, 31,707,147.30 and 17,551,029.40 is: 26,326,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,138,098.20 : 31,707,147.30 = 17,551,029.40 : x
  2. Step 2: Convert to fraction form
    21,138,098.20/31,707,147.30 = 17,551,029.40/x
  3. Step 3: Cross multiply
    21,138,098.20x = 31,707,147.30 × 17,551,029.40
  4. Step 4: Simplify right side
    21,138,098.20x = 556,493,074,452,430.56
  5. Step 5: Solve for x
    x = 556,493,074,452,430.56/21,138,098.20
  6. Step 6: Final answer
    x = 26,326,544.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.