Home / 12,454,297.20-18,680,063.40-10,206,514.80

Finding the Fourth Proportional to 12,454,297.20, 18,680,063.40 and 10,206,514.80

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Solution

The fourth proportional to 12,454,297.20, 18,680,063.40 and 10,206,514.80 is: 15,308,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454,297.20 : 18,680,063.40 = 10,206,514.80 : x
  2. Step 2: Convert to fraction form
    12,454,297.20/18,680,063.40 = 10,206,514.80/x
  3. Step 3: Cross multiply
    12,454,297.20x = 18,680,063.40 × 10,206,514.80
  4. Step 4: Simplify right side
    12,454,297.20x = 190,658,343,557,038.31
  5. Step 5: Solve for x
    x = 190,658,343,557,038.31/12,454,297.20
  6. Step 6: Final answer
    x = 15,308,639.30

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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.