Home / 7,647,138.86-10,553,330.09-4,162,309.32

Finding the Fourth Proportional to 7,647,138.86, 10,553,330.09 and 4,162,309.32

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Solution

The fourth proportional to 7,647,138.86, 10,553,330.09 and 4,162,309.32 is: 5,744,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647,138.86 : 10,553,330.09 = 4,162,309.32 : x
  2. Step 2: Convert to fraction form
    7,647,138.86/10,553,330.09 = 4,162,309.32/x
  3. Step 3: Cross multiply
    7,647,138.86x = 10,553,330.09 × 4,162,309.32
  4. Step 4: Simplify right side
    7,647,138.86x = 43,926,224,190,643.44
  5. Step 5: Solve for x
    x = 43,926,224,190,643.44/7,647,138.86
  6. Step 6: Final answer
    x = 5,744,138.43

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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.