Home / 8,211,421.35-11,331,559.53-4,540,240.53

Finding the Fourth Proportional to 8,211,421.35, 11,331,559.53 and 4,540,240.53

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Solution

The fourth proportional to 8,211,421.35, 11,331,559.53 and 4,540,240.53 is: 6,265,420.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211,421.35 : 11,331,559.53 = 4,540,240.53 : x
  2. Step 2: Convert to fraction form
    8,211,421.35/11,331,559.53 = 4,540,240.53/x
  3. Step 3: Cross multiply
    8,211,421.35x = 11,331,559.53 × 4,540,240.53
  4. Step 4: Simplify right side
    8,211,421.35x = 51,448,005,846,213.75
  5. Step 5: Solve for x
    x = 51,448,005,846,213.75/8,211,421.35
  6. Step 6: Final answer
    x = 6,265,420.28

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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.