Home / 11,761,835.20-17,643,627.60-4,187,816.80

Finding the Fourth Proportional to 11,761,835.20, 17,643,627.60 and 4,187,816.80

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Solution

The fourth proportional to 11,761,835.20, 17,643,627.60 and 4,187,816.80 is: 6,282,036.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761,835.20 : 17,643,627.60 = 4,187,816.80 : x
  2. Step 2: Convert to fraction form
    11,761,835.20/17,643,627.60 = 4,187,816.80/x
  3. Step 3: Cross multiply
    11,761,835.20x = 17,643,627.60 × 4,187,816.80
  4. Step 4: Simplify right side
    11,761,835.20x = 73,888,280,076,223.69
  5. Step 5: Solve for x
    x = 73,888,280,076,223.69/11,761,835.20
  6. Step 6: Final answer
    x = 6,282,036.67

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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.