Home / 7,255,557.69-10,012,369.35-3,947,865.54

Finding the Fourth Proportional to 7,255,557.69, 10,012,369.35 and 3,947,865.54

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Solution

The fourth proportional to 7,255,557.69, 10,012,369.35 and 3,947,865.54 is: 5,447,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255,557.69 : 10,012,369.35 = 3,947,865.54 : x
  2. Step 2: Convert to fraction form
    7,255,557.69/10,012,369.35 = 3,947,865.54/x
  3. Step 3: Cross multiply
    7,255,557.69x = 10,012,369.35 × 3,947,865.54
  4. Step 4: Simplify right side
    7,255,557.69x = 39,527,487,930,617.20
  5. Step 5: Solve for x
    x = 39,527,487,930,617.20/7,255,557.69
  6. Step 6: Final answer
    x = 5,447,891.07

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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.