Home / 13,656,138.02-20,470,893.26-5,456,335.90

Finding the Fourth Proportional to 13,656,138.02, 20,470,893.26 and 5,456,335.90

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Solution

The fourth proportional to 13,656,138.02, 20,470,893.26 and 5,456,335.90 is: 8,179,184.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,138.02 : 20,470,893.26 = 5,456,335.90 : x
  2. Step 2: Convert to fraction form
    13,656,138.02/20,470,893.26 = 5,456,335.90/x
  3. Step 3: Cross multiply
    13,656,138.02x = 20,470,893.26 × 5,456,335.90
  4. Step 4: Simplify right side
    13,656,138.02x = 111,696,069,799,606.05
  5. Step 5: Solve for x
    x = 111,696,069,799,606.05/13,656,138.02
  6. Step 6: Final answer
    x = 8,179,184.31

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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.