Home / 13,656,137.02-20,470,891.76-5,456,334.90

Finding the Fourth Proportional to 13,656,137.02, 20,470,891.76 and 5,456,334.90

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Solution

The fourth proportional to 13,656,137.02, 20,470,891.76 and 5,456,334.90 is: 8,179,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,137.02 : 20,470,891.76 = 5,456,334.90 : x
  2. Step 2: Convert to fraction form
    13,656,137.02/20,470,891.76 = 5,456,334.90/x
  3. Step 3: Cross multiply
    13,656,137.02x = 20,470,891.76 × 5,456,334.90
  4. Step 4: Simplify right side
    13,656,137.02x = 111,696,041,144,210.44
  5. Step 5: Solve for x
    x = 111,696,041,144,210.44/13,656,137.02
  6. Step 6: Final answer
    x = 8,179,182.81

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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.