Home / 8,003,113.20-11,988,923.40-4,798,720.80

Finding the Fourth Proportional to 8,003,113.20, 11,988,923.40 and 4,798,720.80

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Solution

The fourth proportional to 8,003,113.20, 11,988,923.40 and 4,798,720.80 is: 7,188,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003,113.20 : 11,988,923.40 = 4,798,720.80 : x
  2. Step 2: Convert to fraction form
    8,003,113.20/11,988,923.40 = 4,798,720.80/x
  3. Step 3: Cross multiply
    8,003,113.20x = 11,988,923.40 × 4,798,720.80
  4. Step 4: Simplify right side
    8,003,113.20x = 57,531,496,089,186.72
  5. Step 5: Solve for x
    x = 57,531,496,089,186.72/8,003,113.20
  6. Step 6: Final answer
    x = 7,188,639.55

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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.