Home / 16,129,729.94-22,258,960.19-8,787,540.22

Finding the Fourth Proportional to 16,129,729.94, 22,258,960.19 and 8,787,540.22

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Solution

The fourth proportional to 16,129,729.94, 22,258,960.19 and 8,787,540.22 is: 12,126,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129,729.94 : 22,258,960.19 = 8,787,540.22 : x
  2. Step 2: Convert to fraction form
    16,129,729.94/22,258,960.19 = 8,787,540.22/x
  3. Step 3: Cross multiply
    16,129,729.94x = 22,258,960.19 × 8,787,540.22
  4. Step 4: Simplify right side
    16,129,729.94x = 195,601,507,925,003.88
  5. Step 5: Solve for x
    x = 195,601,507,925,003.88/16,129,729.94
  6. Step 6: Final answer
    x = 12,126,768.93

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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.