Home / 23,669,540.40-35,479,816.20-12,864,010.80

Finding the Fourth Proportional to 23,669,540.40, 35,479,816.20 and 12,864,010.80

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Solution

The fourth proportional to 23,669,540.40, 35,479,816.20 and 12,864,010.80 is: 19,282,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,669,540.40 : 35,479,816.20 = 12,864,010.80 : x
  2. Step 2: Convert to fraction form
    23,669,540.40/35,479,816.20 = 12,864,010.80/x
  3. Step 3: Cross multiply
    23,669,540.40x = 35,479,816.20 × 12,864,010.80
  4. Step 4: Simplify right side
    23,669,540.40x = 456,412,738,778,815
  5. Step 5: Solve for x
    x = 456,412,738,778,815/23,669,540.40
  6. Step 6: Final answer
    x = 19,282,703.89

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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.