Home / 13,608,837.20-20,413,255.80-5,087,410.40

Finding the Fourth Proportional to 13,608,837.20, 20,413,255.80 and 5,087,410.40

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Solution

The fourth proportional to 13,608,837.20, 20,413,255.80 and 5,087,410.40 is: 7,631,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,837.20 : 20,413,255.80 = 5,087,410.40 : x
  2. Step 2: Convert to fraction form
    13,608,837.20/20,413,255.80 = 5,087,410.40/x
  3. Step 3: Cross multiply
    13,608,837.20x = 20,413,255.80 × 5,087,410.40
  4. Step 4: Simplify right side
    13,608,837.20x = 103,850,609,854,780.33
  5. Step 5: Solve for x
    x = 103,850,609,854,780.33/13,608,837.20
  6. Step 6: Final answer
    x = 7,631,115.60

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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.