Home / 7,220,199.12-10,828,012.11-2,361,382.98

Finding the Fourth Proportional to 7,220,199.12, 10,828,012.11 and 2,361,382.98

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Solution

The fourth proportional to 7,220,199.12, 10,828,012.11 and 2,361,382.98 is: 3,541,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,199.12 : 10,828,012.11 = 2,361,382.98 : x
  2. Step 2: Convert to fraction form
    7,220,199.12/10,828,012.11 = 2,361,382.98/x
  3. Step 3: Cross multiply
    7,220,199.12x = 10,828,012.11 × 2,361,382.98
  4. Step 4: Simplify right side
    7,220,199.12x = 25,569,083,503,787.89
  5. Step 5: Solve for x
    x = 25,569,083,503,787.89/7,220,199.12
  6. Step 6: Final answer
    x = 3,541,326.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.