Home / 7,137,805.86-9,850,184.57-3,874,622.79

Finding the Fourth Proportional to 7,137,805.86, 9,850,184.57 and 3,874,622.79

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Solution

The fourth proportional to 7,137,805.86, 9,850,184.57 and 3,874,622.79 is: 5,346,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,805.86 : 9,850,184.57 = 3,874,622.79 : x
  2. Step 2: Convert to fraction form
    7,137,805.86/9,850,184.57 = 3,874,622.79/x
  3. Step 3: Cross multiply
    7,137,805.86x = 9,850,184.57 × 3,874,622.79
  4. Step 4: Simplify right side
    7,137,805.86x = 38,165,749,601,255.23
  5. Step 5: Solve for x
    x = 38,165,749,601,255.23/7,137,805.86
  6. Step 6: Final answer
    x = 5,346,986.22

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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.