Home / 8,239,208.80-12,358,813.20-3,760,232.80

Finding the Fourth Proportional to 8,239,208.80, 12,358,813.20 and 3,760,232.80

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Solution

The fourth proportional to 8,239,208.80, 12,358,813.20 and 3,760,232.80 is: 5,640,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239,208.80 : 12,358,813.20 = 3,760,232.80 : x
  2. Step 2: Convert to fraction form
    8,239,208.80/12,358,813.20 = 3,760,232.80/x
  3. Step 3: Cross multiply
    8,239,208.80x = 12,358,813.20 × 3,760,232.80
  4. Step 4: Simplify right side
    8,239,208.80x = 46,472,014,763,712.95
  5. Step 5: Solve for x
    x = 46,472,014,763,712.95/8,239,208.80
  6. Step 6: Final answer
    x = 5,640,349.20

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Similar ratio
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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.