Home / 7,638,314.88-10,540,664.31-4,200,555.92

Finding the Fourth Proportional to 7,638,314.88, 10,540,664.31 and 4,200,555.92

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Solution

The fourth proportional to 7,638,314.88, 10,540,664.31 and 4,200,555.92 is: 5,796,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,314.88 : 10,540,664.31 = 4,200,555.92 : x
  2. Step 2: Convert to fraction form
    7,638,314.88/10,540,664.31 = 4,200,555.92/x
  3. Step 3: Cross multiply
    7,638,314.88x = 10,540,664.31 × 4,200,555.92
  4. Step 4: Simplify right side
    7,638,314.88x = 44,276,649,807,523.85
  5. Step 5: Solve for x
    x = 44,276,649,807,523.85/7,638,314.88
  6. Step 6: Final answer
    x = 5,796,651.55

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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.