Home / 13,715,969.20-20,533,594.08-9,155,706.88

Finding the Fourth Proportional to 13,715,969.20, 20,533,594.08 and 9,155,706.88

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Solution

The fourth proportional to 13,715,969.20, 20,533,594.08 and 9,155,706.88 is: 13,706,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715,969.20 : 20,533,594.08 = 9,155,706.88 : x
  2. Step 2: Convert to fraction form
    13,715,969.20/20,533,594.08 = 9,155,706.88/x
  3. Step 3: Cross multiply
    13,715,969.20x = 20,533,594.08 × 9,155,706.88
  4. Step 4: Simplify right side
    13,715,969.20x = 187,999,568,589,383.28
  5. Step 5: Solve for x
    x = 187,999,568,589,383.28/13,715,969.20
  6. Step 6: Final answer
    x = 13,706,619.33

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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.