Home / 20,582,688.15-30,876,880.11-6,939,736.55

Finding the Fourth Proportional to 20,582,688.15, 30,876,880.11 and 6,939,736.55

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Solution

The fourth proportional to 20,582,688.15, 30,876,880.11 and 6,939,736.55 is: 10,410,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582,688.15 : 30,876,880.11 = 6,939,736.55 : x
  2. Step 2: Convert to fraction form
    20,582,688.15/30,876,880.11 = 6,939,736.55/x
  3. Step 3: Cross multiply
    20,582,688.15x = 30,876,880.11 × 6,939,736.55
  4. Step 4: Simplify right side
    20,582,688.15x = 214,277,413,449,335
  5. Step 5: Solve for x
    x = 214,277,413,449,335/20,582,688.15
  6. Step 6: Final answer
    x = 10,410,565.03

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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.