Home / 8,982,809.69-13,478,074.58-2,919,399.57

Finding the Fourth Proportional to 8,982,809.69, 13,478,074.58 and 2,919,399.57

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Solution

The fourth proportional to 8,982,809.69, 13,478,074.58 and 2,919,399.57 is: 4,380,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982,809.69 : 13,478,074.58 = 2,919,399.57 : x
  2. Step 2: Convert to fraction form
    8,982,809.69/13,478,074.58 = 2,919,399.57/x
  3. Step 3: Cross multiply
    8,982,809.69x = 13,478,074.58 × 2,919,399.57
  4. Step 4: Simplify right side
    8,982,809.69x = 39,347,885,140,578.43
  5. Step 5: Solve for x
    x = 39,347,885,140,578.43/8,982,809.69
  6. Step 6: Final answer
    x = 4,380,353.87

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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.