Home / 13,656,129.53-20,470,880.52-5,456,327.40

Finding the Fourth Proportional to 13,656,129.53, 20,470,880.52 and 5,456,327.40

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Solution

The fourth proportional to 13,656,129.53, 20,470,880.52 and 5,456,327.40 is: 8,179,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,129.53 : 20,470,880.52 = 5,456,327.40 : x
  2. Step 2: Convert to fraction form
    13,656,129.53/20,470,880.52 = 5,456,327.40/x
  3. Step 3: Cross multiply
    13,656,129.53x = 20,470,880.52 × 5,456,327.40
  4. Step 4: Simplify right side
    13,656,129.53x = 111,695,826,283,402.25
  5. Step 5: Solve for x
    x = 111,695,826,283,402.25/13,656,129.53
  6. Step 6: Final answer
    x = 8,179,171.56

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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.