Home / 12,073,975.80-16,660,572.80-8,162,243.36

Finding the Fourth Proportional to 12,073,975.80, 16,660,572.80 and 8,162,243.36

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Solution

The fourth proportional to 12,073,975.80, 16,660,572.80 and 8,162,243.36 is: 11,262,872.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073,975.80 : 16,660,572.80 = 8,162,243.36 : x
  2. Step 2: Convert to fraction form
    12,073,975.80/16,660,572.80 = 8,162,243.36/x
  3. Step 3: Cross multiply
    12,073,975.80x = 16,660,572.80 × 8,162,243.36
  4. Step 4: Simplify right side
    12,073,975.80x = 135,987,649,586,482.53
  5. Step 5: Solve for x
    x = 135,987,649,586,482.53/12,073,975.80
  6. Step 6: Final answer
    x = 11,262,872.47

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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.