Home / 12,422,712.30-18,592,078.05-10,911,057.90

Finding the Fourth Proportional to 12,422,712.30, 18,592,078.05 and 10,911,057.90

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Solution

The fourth proportional to 12,422,712.30, 18,592,078.05 and 10,911,057.90 is: 16,329,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422,712.30 : 18,592,078.05 = 10,911,057.90 : x
  2. Step 2: Convert to fraction form
    12,422,712.30/18,592,078.05 = 10,911,057.90/x
  3. Step 3: Cross multiply
    12,422,712.30x = 18,592,078.05 × 10,911,057.90
  4. Step 4: Simplify right side
    12,422,712.30x = 202,859,240,084,869.12
  5. Step 5: Solve for x
    x = 202,859,240,084,869.12/12,422,712.30
  6. Step 6: Final answer
    x = 16,329,706.04

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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.