Home / 21,993,132.96-32,988,626.40-8,162,782.80

Finding the Fourth Proportional to 21,993,132.96, 32,988,626.40 and 8,162,782.80

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Solution

The fourth proportional to 21,993,132.96, 32,988,626.40 and 8,162,782.80 is: 12,243,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993,132.96 : 32,988,626.40 = 8,162,782.80 : x
  2. Step 2: Convert to fraction form
    21,993,132.96/32,988,626.40 = 8,162,782.80/x
  3. Step 3: Cross multiply
    21,993,132.96x = 32,988,626.40 × 8,162,782.80
  4. Step 4: Simplify right side
    21,993,132.96x = 269,278,992,173,545.91
  5. Step 5: Solve for x
    x = 269,278,992,173,545.91/21,993,132.96
  6. Step 6: Final answer
    x = 12,243,775.94

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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.