Home / 13,449,217.92-20,157,015.36-8,644,118.40

Finding the Fourth Proportional to 13,449,217.92, 20,157,015.36 and 8,644,118.40

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Solution

The fourth proportional to 13,449,217.92, 20,157,015.36 and 8,644,118.40 is: 12,955,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449,217.92 : 20,157,015.36 = 8,644,118.40 : x
  2. Step 2: Convert to fraction form
    13,449,217.92/20,157,015.36 = 8,644,118.40/x
  3. Step 3: Cross multiply
    13,449,217.92x = 20,157,015.36 × 8,644,118.40
  4. Step 4: Simplify right side
    13,449,217.92x = 174,239,627,362,458.62
  5. Step 5: Solve for x
    x = 174,239,627,362,458.62/13,449,217.92
  6. Step 6: Final answer
    x = 12,955,372.45

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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.