Home / 14,976,118.76-20,667,048.42-8,451,135.08

Finding the Fourth Proportional to 14,976,118.76, 20,667,048.42 and 8,451,135.08

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Solution

The fourth proportional to 14,976,118.76, 20,667,048.42 and 8,451,135.08 is: 11,662,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976,118.76 : 20,667,048.42 = 8,451,135.08 : x
  2. Step 2: Convert to fraction form
    14,976,118.76/20,667,048.42 = 8,451,135.08/x
  3. Step 3: Cross multiply
    14,976,118.76x = 20,667,048.42 × 8,451,135.08
  4. Step 4: Simplify right side
    14,976,118.76x = 174,660,017,902,320.59
  5. Step 5: Solve for x
    x = 174,660,017,902,320.59/14,976,118.76
  6. Step 6: Final answer
    x = 11,662,568.97

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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.