Home / 13,640,188.88-20,468,994.87-6,452,146.82

Finding the Fourth Proportional to 13,640,188.88, 20,468,994.87 and 6,452,146.82

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Solution

The fourth proportional to 13,640,188.88, 20,468,994.87 and 6,452,146.82 is: 9,682,341.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,640,188.88 : 20,468,994.87 = 6,452,146.82 : x
  2. Step 2: Convert to fraction form
    13,640,188.88/20,468,994.87 = 6,452,146.82/x
  3. Step 3: Cross multiply
    13,640,188.88x = 20,468,994.87 × 6,452,146.82
  4. Step 4: Simplify right side
    13,640,188.88x = 132,068,960,056,721.86
  5. Step 5: Solve for x
    x = 132,068,960,056,721.86/13,640,188.88
  6. Step 6: Final answer
    x = 9,682,341.00

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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.