Home / 10,931,279.60-16,396,919.40-8,805,515.60

Finding the Fourth Proportional to 10,931,279.60, 16,396,919.40 and 8,805,515.60

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Solution

The fourth proportional to 10,931,279.60, 16,396,919.40 and 8,805,515.60 is: 13,208,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,279.60 : 16,396,919.40 = 8,805,515.60 : x
  2. Step 2: Convert to fraction form
    10,931,279.60/16,396,919.40 = 8,805,515.60/x
  3. Step 3: Cross multiply
    10,931,279.60x = 16,396,919.40 × 8,805,515.60
  4. Step 4: Simplify right side
    10,931,279.60x = 144,383,329,568,642.62
  5. Step 5: Solve for x
    x = 144,383,329,568,642.62/10,931,279.60
  6. Step 6: Final answer
    x = 13,208,273.40

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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.