Home / 15,104,397.10-20,844,005.79-8,228,857.90

Finding the Fourth Proportional to 15,104,397.10, 20,844,005.79 and 8,228,857.90

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Solution

The fourth proportional to 15,104,397.10, 20,844,005.79 and 8,228,857.90 is: 11,355,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104,397.10 : 20,844,005.79 = 8,228,857.90 : x
  2. Step 2: Convert to fraction form
    15,104,397.10/20,844,005.79 = 8,228,857.90/x
  3. Step 3: Cross multiply
    15,104,397.10x = 20,844,005.79 × 8,228,857.90
  4. Step 4: Simplify right side
    15,104,397.10x = 171,522,361,712,687.25
  5. Step 5: Solve for x
    x = 171,522,361,712,687.25/15,104,397.10
  6. Step 6: Final answer
    x = 11,355,790.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.