Home / 6,600,400.80-9,900,601.20-3,946,192.80

Finding the Fourth Proportional to 6,600,400.80, 9,900,601.20 and 3,946,192.80

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Solution

The fourth proportional to 6,600,400.80, 9,900,601.20 and 3,946,192.80 is: 5,919,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600,400.80 : 9,900,601.20 = 3,946,192.80 : x
  2. Step 2: Convert to fraction form
    6,600,400.80/9,900,601.20 = 3,946,192.80/x
  3. Step 3: Cross multiply
    6,600,400.80x = 9,900,601.20 × 3,946,192.80
  4. Step 4: Simplify right side
    6,600,400.80x = 39,069,681,171,111.35
  5. Step 5: Solve for x
    x = 39,069,681,171,111.35/6,600,400.80
  6. Step 6: Final answer
    x = 5,919,289.20

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Double scale
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1.5x scale

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.