Home / 15,133,108.72-20,884,194.12-8,257,968.04

Finding the Fourth Proportional to 15,133,108.72, 20,884,194.12 and 8,257,968.04

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Solution

The fourth proportional to 15,133,108.72, 20,884,194.12 and 8,257,968.04 is: 11,396,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133,108.72 : 20,884,194.12 = 8,257,968.04 : x
  2. Step 2: Convert to fraction form
    15,133,108.72/20,884,194.12 = 8,257,968.04/x
  3. Step 3: Cross multiply
    15,133,108.72x = 20,884,194.12 × 8,257,968.04
  4. Step 4: Simplify right side
    15,133,108.72x = 172,461,007,584,115.94
  5. Step 5: Solve for x
    x = 172,461,007,584,115.94/15,133,108.72
  6. Step 6: Final answer
    x = 11,396,270.97

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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.