Home / 15,401,076.45-21,253,642.97-8,525,410.89

Finding the Fourth Proportional to 15,401,076.45, 21,253,642.97 and 8,525,410.89

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Solution

The fourth proportional to 15,401,076.45, 21,253,642.97 and 8,525,410.89 is: 11,765,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,076.45 : 21,253,642.97 = 8,525,410.89 : x
  2. Step 2: Convert to fraction form
    15,401,076.45/21,253,642.97 = 8,525,410.89/x
  3. Step 3: Cross multiply
    15,401,076.45x = 21,253,642.97 × 8,525,410.89
  4. Step 4: Simplify right side
    15,401,076.45x = 181,196,039,185,982.91
  5. Step 5: Solve for x
    x = 181,196,039,185,982.91/15,401,076.45
  6. Step 6: Final answer
    x = 11,765,154.19

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1.5x scale

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.