Home / 8,328,115.40-11,467,250.23-7,289,812.55

Finding the Fourth Proportional to 8,328,115.40, 11,467,250.23 and 7,289,812.55

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Solution

The fourth proportional to 8,328,115.40, 11,467,250.23 and 7,289,812.55 is: 10,037,577.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328,115.40 : 11,467,250.23 = 7,289,812.55 : x
  2. Step 2: Convert to fraction form
    8,328,115.40/11,467,250.23 = 7,289,812.55/x
  3. Step 3: Cross multiply
    8,328,115.40x = 11,467,250.23 × 7,289,812.55
  4. Step 4: Simplify right side
    8,328,115.40x = 83,594,104,640,644.39
  5. Step 5: Solve for x
    x = 83,594,104,640,644.39/8,328,115.40
  6. Step 6: Final answer
    x = 10,037,577.61

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Double scale
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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.