Home / 11,008,361.40-16,479,882.90-8,181,007.80

Finding the Fourth Proportional to 11,008,361.40, 16,479,882.90 and 8,181,007.80

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Solution

The fourth proportional to 11,008,361.40, 16,479,882.90 and 8,181,007.80 is: 12,247,240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008,361.40 : 16,479,882.90 = 8,181,007.80 : x
  2. Step 2: Convert to fraction form
    11,008,361.40/16,479,882.90 = 8,181,007.80/x
  3. Step 3: Cross multiply
    11,008,361.40x = 16,479,882.90 × 8,181,007.80
  4. Step 4: Simplify right side
    11,008,361.40x = 134,822,050,547,986.62
  5. Step 5: Solve for x
    x = 134,822,050,547,986.62/11,008,361.40
  6. Step 6: Final answer
    x = 12,247,240.59

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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.