Home / 37,152,010.80-55,728,016.20-12,882,871.80

Finding the Fourth Proportional to 37,152,010.80, 55,728,016.20 and 12,882,871.80

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Solution

The fourth proportional to 37,152,010.80, 55,728,016.20 and 12,882,871.80 is: 19,324,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,152,010.80 : 55,728,016.20 = 12,882,871.80 : x
  2. Step 2: Convert to fraction form
    37,152,010.80/55,728,016.20 = 12,882,871.80/x
  3. Step 3: Cross multiply
    37,152,010.80x = 55,728,016.20 × 12,882,871.80
  4. Step 4: Simplify right side
    37,152,010.80x = 717,936,888,372,923.25
  5. Step 5: Solve for x
    x = 717,936,888,372,923.25/37,152,010.80
  6. Step 6: Final answer
    x = 19,324,307.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.