Home / 14,091,712.80-21,137,569.20-3,454,144.80

Finding the Fourth Proportional to 14,091,712.80, 21,137,569.20 and 3,454,144.80

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Solution

The fourth proportional to 14,091,712.80, 21,137,569.20 and 3,454,144.80 is: 5,181,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091,712.80 : 21,137,569.20 = 3,454,144.80 : x
  2. Step 2: Convert to fraction form
    14,091,712.80/21,137,569.20 = 3,454,144.80/x
  3. Step 3: Cross multiply
    14,091,712.80x = 21,137,569.20 × 3,454,144.80
  4. Step 4: Simplify right side
    14,091,712.80x = 73,012,224,736,820.16
  5. Step 5: Solve for x
    x = 73,012,224,736,820.16/14,091,712.80
  6. Step 6: Final answer
    x = 5,181,217.20

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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.