Home / 15,042,811.26-20,759,078.88-8,167,294.20

Finding the Fourth Proportional to 15,042,811.26, 20,759,078.88 and 8,167,294.20

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Solution

The fourth proportional to 15,042,811.26, 20,759,078.88 and 8,167,294.20 is: 11,270,865.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042,811.26 : 20,759,078.88 = 8,167,294.20 : x
  2. Step 2: Convert to fraction form
    15,042,811.26/20,759,078.88 = 8,167,294.20/x
  3. Step 3: Cross multiply
    15,042,811.26x = 20,759,078.88 × 8,167,294.20
  4. Step 4: Simplify right side
    15,042,811.26x = 169,545,504,533,966.50
  5. Step 5: Solve for x
    x = 169,545,504,533,966.50/15,042,811.26
  6. Step 6: Final answer
    x = 11,270,865.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.