Home / 7,749,515.97-10,695,812.67-5,131,402.25

Finding the Fourth Proportional to 7,749,515.97, 10,695,812.67 and 5,131,402.25

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Solution

The fourth proportional to 7,749,515.97, 10,695,812.67 and 5,131,402.25 is: 7,082,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749,515.97 : 10,695,812.67 = 5,131,402.25 : x
  2. Step 2: Convert to fraction form
    7,749,515.97/10,695,812.67 = 5,131,402.25/x
  3. Step 3: Cross multiply
    7,749,515.97x = 10,695,812.67 × 5,131,402.25
  4. Step 4: Simplify right side
    7,749,515.97x = 54,884,517,146,937.45
  5. Step 5: Solve for x
    x = 54,884,517,146,937.45/7,749,515.97
  6. Step 6: Final answer
    x = 7,082,315.51

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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.