Home / 9,338,220.72-12,891,615.48-6,628,440.24

Finding the Fourth Proportional to 9,338,220.72, 12,891,615.48 and 6,628,440.24

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Solution

The fourth proportional to 9,338,220.72, 12,891,615.48 and 6,628,440.24 is: 9,150,704.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338,220.72 : 12,891,615.48 = 6,628,440.24 : x
  2. Step 2: Convert to fraction form
    9,338,220.72/12,891,615.48 = 6,628,440.24/x
  3. Step 3: Cross multiply
    9,338,220.72x = 12,891,615.48 × 6,628,440.24
  4. Step 4: Simplify right side
    9,338,220.72x = 85,451,302,806,238.92
  5. Step 5: Solve for x
    x = 85,451,302,806,238.92/9,338,220.72
  6. Step 6: Final answer
    x = 9,150,704.98

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Double scale
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Similar ratio
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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.