Home / 15,401,305.68-21,253,969.80-8,525,902.56

Finding the Fourth Proportional to 15,401,305.68, 21,253,969.80 and 8,525,902.56

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Solution

The fourth proportional to 15,401,305.68, 21,253,969.80 and 8,525,902.56 is: 11,765,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,305.68 : 21,253,969.80 = 8,525,902.56 : x
  2. Step 2: Convert to fraction form
    15,401,305.68/21,253,969.80 = 8,525,902.56/x
  3. Step 3: Cross multiply
    15,401,305.68x = 21,253,969.80 × 8,525,902.56
  4. Step 4: Simplify right side
    15,401,305.68x = 181,209,275,527,982.72
  5. Step 5: Solve for x
    x = 181,209,275,527,982.72/15,401,305.68
  6. Step 6: Final answer
    x = 11,765,838.51

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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.