Home / 15,374,106.60-21,215,434.41-8,498,145.75

Finding the Fourth Proportional to 15,374,106.60, 21,215,434.41 and 8,498,145.75

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Solution

The fourth proportional to 15,374,106.60, 21,215,434.41 and 8,498,145.75 is: 11,726,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374,106.60 : 21,215,434.41 = 8,498,145.75 : x
  2. Step 2: Convert to fraction form
    15,374,106.60/21,215,434.41 = 8,498,145.75/x
  3. Step 3: Cross multiply
    15,374,106.60x = 21,215,434.41 × 8,498,145.75
  4. Step 4: Simplify right side
    15,374,106.60x = 180,291,853,765,745.25
  5. Step 5: Solve for x
    x = 180,291,853,765,745.25/15,374,106.60
  6. Step 6: Final answer
    x = 11,726,980.86

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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.