Home / 20,241,919.34-30,359,496.45-8,879,317.10

Finding the Fourth Proportional to 20,241,919.34, 30,359,496.45 and 8,879,317.10

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Solution

The fourth proportional to 20,241,919.34, 30,359,496.45 and 8,879,317.10 is: 13,317,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241,919.34 : 30,359,496.45 = 8,879,317.10 : x
  2. Step 2: Convert to fraction form
    20,241,919.34/30,359,496.45 = 8,879,317.10/x
  3. Step 3: Cross multiply
    20,241,919.34x = 30,359,496.45 × 8,879,317.10
  4. Step 4: Simplify right side
    20,241,919.34x = 269,571,595,975,874.28
  5. Step 5: Solve for x
    x = 269,571,595,975,874.28/20,241,919.34
  6. Step 6: Final answer
    x = 13,317,491.86

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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.