Home / 8,763,703.20-13,147,858.80-2,780,061.60

Finding the Fourth Proportional to 8,763,703.20, 13,147,858.80 and 2,780,061.60

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Solution

The fourth proportional to 8,763,703.20, 13,147,858.80 and 2,780,061.60 is: 4,170,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763,703.20 : 13,147,858.80 = 2,780,061.60 : x
  2. Step 2: Convert to fraction form
    8,763,703.20/13,147,858.80 = 2,780,061.60/x
  3. Step 3: Cross multiply
    8,763,703.20x = 13,147,858.80 × 2,780,061.60
  4. Step 4: Simplify right side
    8,763,703.20x = 36,551,857,372,102.09
  5. Step 5: Solve for x
    x = 36,551,857,372,102.09/8,763,703.20
  6. Step 6: Final answer
    x = 4,170,823.29

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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.