Home / 13,260,718.80-19,879,414.20-8,987,029.20

Finding the Fourth Proportional to 13,260,718.80, 19,879,414.20 and 8,987,029.20

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Solution

The fourth proportional to 13,260,718.80, 19,879,414.20 and 8,987,029.20 is: 13,472,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260,718.80 : 19,879,414.20 = 8,987,029.20 : x
  2. Step 2: Convert to fraction form
    13,260,718.80/19,879,414.20 = 8,987,029.20/x
  3. Step 3: Cross multiply
    13,260,718.80x = 19,879,414.20 × 8,987,029.20
  4. Step 4: Simplify right side
    13,260,718.80x = 178,656,875,894,294.62
  5. Step 5: Solve for x
    x = 178,656,875,894,294.62/13,260,718.80
  6. Step 6: Final answer
    x = 13,472,638.90

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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.