Home / 7,149,436.87-9,866,229.46-3,886,251.50

Finding the Fourth Proportional to 7,149,436.87, 9,866,229.46 and 3,886,251.50

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Solution

The fourth proportional to 7,149,436.87, 9,866,229.46 and 3,886,251.50 is: 5,363,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,436.87 : 9,866,229.46 = 3,886,251.50 : x
  2. Step 2: Convert to fraction form
    7,149,436.87/9,866,229.46 = 3,886,251.50/x
  3. Step 3: Cross multiply
    7,149,436.87x = 9,866,229.46 × 3,886,251.50
  4. Step 4: Simplify right side
    7,149,436.87x = 38,342,649,048,224.34
  5. Step 5: Solve for x
    x = 38,342,649,048,224.34/7,149,436.87
  6. Step 6: Final answer
    x = 5,363,030.65

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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.