Home / 15,624,191.13-21,561,556.22-8,654,975.43

Finding the Fourth Proportional to 15,624,191.13, 21,561,556.22 and 8,654,975.43

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Solution

The fourth proportional to 15,624,191.13, 21,561,556.22 and 8,654,975.43 is: 11,943,961.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624,191.13 : 21,561,556.22 = 8,654,975.43 : x
  2. Step 2: Convert to fraction form
    15,624,191.13/21,561,556.22 = 8,654,975.43/x
  3. Step 3: Cross multiply
    15,624,191.13x = 21,561,556.22 × 8,654,975.43
  4. Step 4: Simplify right side
    15,624,191.13x = 186,614,739,273,388.78
  5. Step 5: Solve for x
    x = 186,614,739,273,388.78/15,624,191.13
  6. Step 6: Final answer
    x = 11,943,961.62

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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.