Home / 15,774,049.24-21,769,195.98-8,896,021.72

Finding the Fourth Proportional to 15,774,049.24, 21,769,195.98 and 8,896,021.72

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Solution

The fourth proportional to 15,774,049.24, 21,769,195.98 and 8,896,021.72 is: 12,277,078.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,049.24 : 21,769,195.98 = 8,896,021.72 : x
  2. Step 2: Convert to fraction form
    15,774,049.24/21,769,195.98 = 8,896,021.72/x
  3. Step 3: Cross multiply
    15,774,049.24x = 21,769,195.98 × 8,896,021.72
  4. Step 4: Simplify right side
    15,774,049.24x = 193,659,240,265,016.72
  5. Step 5: Solve for x
    x = 193,659,240,265,016.72/15,774,049.24
  6. Step 6: Final answer
    x = 12,277,078.47

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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.