Home / 17,943,612.20-26,921,639.10-7,853,474.60

Finding the Fourth Proportional to 17,943,612.20, 26,921,639.10 and 7,853,474.60

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Solution

The fourth proportional to 17,943,612.20, 26,921,639.10 and 7,853,474.60 is: 11,782,934.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943,612.20 : 26,921,639.10 = 7,853,474.60 : x
  2. Step 2: Convert to fraction form
    17,943,612.20/26,921,639.10 = 7,853,474.60/x
  3. Step 3: Cross multiply
    17,943,612.20x = 26,921,639.10 × 7,853,474.60
  4. Step 4: Simplify right side
    17,943,612.20x = 211,428,408,862,216.88
  5. Step 5: Solve for x
    x = 211,428,408,862,216.88/17,943,612.20
  6. Step 6: Final answer
    x = 11,782,934.59

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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.