Home / 8,378,928.42-12,550,954.71-5,331,197.22

Finding the Fourth Proportional to 8,378,928.42, 12,550,954.71 and 5,331,197.22

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Solution

The fourth proportional to 8,378,928.42, 12,550,954.71 and 5,331,197.22 is: 7,985,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,928.42 : 12,550,954.71 = 5,331,197.22 : x
  2. Step 2: Convert to fraction form
    8,378,928.42/12,550,954.71 = 5,331,197.22/x
  3. Step 3: Cross multiply
    8,378,928.42x = 12,550,954.71 × 5,331,197.22
  4. Step 4: Simplify right side
    8,378,928.42x = 66,911,614,858,297.91
  5. Step 5: Solve for x
    x = 66,911,614,858,297.91/8,378,928.42
  6. Step 6: Final answer
    x = 7,985,700.74

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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.