Home / 6,860,144.73-9,466,549.22-3,920,113.68

Finding the Fourth Proportional to 6,860,144.73, 9,466,549.22 and 3,920,113.68

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Solution

The fourth proportional to 6,860,144.73, 9,466,549.22 and 3,920,113.68 is: 5,409,499.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860,144.73 : 9,466,549.22 = 3,920,113.68 : x
  2. Step 2: Convert to fraction form
    6,860,144.73/9,466,549.22 = 3,920,113.68/x
  3. Step 3: Cross multiply
    6,860,144.73x = 9,466,549.22 × 3,920,113.68
  4. Step 4: Simplify right side
    6,860,144.73x = 37,109,949,109,515.62
  5. Step 5: Solve for x
    x = 37,109,949,109,515.62/6,860,144.73
  6. Step 6: Final answer
    x = 5,409,499.44

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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.