Home / 7,768,984.86-10,720,964.43-4,284,321.84

Finding the Fourth Proportional to 7,768,984.86, 10,720,964.43 and 4,284,321.84

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Solution

The fourth proportional to 7,768,984.86, 10,720,964.43 and 4,284,321.84 is: 5,912,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768,984.86 : 10,720,964.43 = 4,284,321.84 : x
  2. Step 2: Convert to fraction form
    7,768,984.86/10,720,964.43 = 4,284,321.84/x
  3. Step 3: Cross multiply
    7,768,984.86x = 10,720,964.43 × 4,284,321.84
  4. Step 4: Simplify right side
    7,768,984.86x = 45,932,062,053,312.15
  5. Step 5: Solve for x
    x = 45,932,062,053,312.15/7,768,984.86
  6. Step 6: Final answer
    x = 5,912,234.72

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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.