Home / 7,638,411.04-10,540,765.92-4,200,641.44

Finding the Fourth Proportional to 7,638,411.04, 10,540,765.92 and 4,200,641.44

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Solution

The fourth proportional to 7,638,411.04, 10,540,765.92 and 4,200,641.44 is: 5,796,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,411.04 : 10,540,765.92 = 4,200,641.44 : x
  2. Step 2: Convert to fraction form
    7,638,411.04/10,540,765.92 = 4,200,641.44/x
  3. Step 3: Cross multiply
    7,638,411.04x = 10,540,765.92 × 4,200,641.44
  4. Step 4: Simplify right side
    7,638,411.04x = 44,277,978,132,891.73
  5. Step 5: Solve for x
    x = 44,277,978,132,891.73/7,638,411.04
  6. Step 6: Final answer
    x = 5,796,752.48

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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.