Home / 14,667,998.40-20,241,524.16-8,141,247.36

Finding the Fourth Proportional to 14,667,998.40, 20,241,524.16 and 8,141,247.36

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Solution

The fourth proportional to 14,667,998.40, 20,241,524.16 and 8,141,247.36 is: 11,234,747.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,667,998.40 : 20,241,524.16 = 8,141,247.36 : x
  2. Step 2: Convert to fraction form
    14,667,998.40/20,241,524.16 = 8,141,247.36/x
  3. Step 3: Cross multiply
    14,667,998.40x = 20,241,524.16 × 8,141,247.36
  4. Step 4: Simplify right side
    14,667,998.40x = 164,791,255,129,976.22
  5. Step 5: Solve for x
    x = 164,791,255,129,976.22/14,667,998.40
  6. Step 6: Final answer
    x = 11,234,747.28

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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.