Home / 15,774,912.20-23,663,145.90-8,216,640.20

Finding the Fourth Proportional to 15,774,912.20, 23,663,145.90 and 8,216,640.20

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Solution

The fourth proportional to 15,774,912.20, 23,663,145.90 and 8,216,640.20 is: 12,325,365.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,912.20 : 23,663,145.90 = 8,216,640.20 : x
  2. Step 2: Convert to fraction form
    15,774,912.20/23,663,145.90 = 8,216,640.20/x
  3. Step 3: Cross multiply
    15,774,912.20x = 23,663,145.90 × 8,216,640.20
  4. Step 4: Simplify right side
    15,774,912.20x = 194,431,555,860,405.19
  5. Step 5: Solve for x
    x = 194,431,555,860,405.19/15,774,912.20
  6. Step 6: Final answer
    x = 12,325,365.33

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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.