Home / 10,143,982.12-13,975,168.26-7,083,348.52

Finding the Fourth Proportional to 10,143,982.12, 13,975,168.26 and 7,083,348.52

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Solution

The fourth proportional to 10,143,982.12, 13,975,168.26 and 7,083,348.52 is: 9,758,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,982.12 : 13,975,168.26 = 7,083,348.52 : x
  2. Step 2: Convert to fraction form
    10,143,982.12/13,975,168.26 = 7,083,348.52/x
  3. Step 3: Cross multiply
    10,143,982.12x = 13,975,168.26 × 7,083,348.52
  4. Step 4: Simplify right side
    10,143,982.12x = 98,990,987,411,221.97
  5. Step 5: Solve for x
    x = 98,990,987,411,221.97/10,143,982.12
  6. Step 6: Final answer
    x = 9,758,592.46

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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.