Home / 7,208,511.16-9,947,340.66-3,945,319.24

Finding the Fourth Proportional to 7,208,511.16, 9,947,340.66 and 3,945,319.24

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Solution

The fourth proportional to 7,208,511.16, 9,947,340.66 and 3,945,319.24 is: 5,444,319.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208,511.16 : 9,947,340.66 = 3,945,319.24 : x
  2. Step 2: Convert to fraction form
    7,208,511.16/9,947,340.66 = 3,945,319.24/x
  3. Step 3: Cross multiply
    7,208,511.16x = 9,947,340.66 × 3,945,319.24
  4. Step 4: Simplify right side
    7,208,511.16x = 39,245,434,492,732.30
  5. Step 5: Solve for x
    x = 39,245,434,492,732.30/7,208,511.16
  6. Step 6: Final answer
    x = 5,444,319.03

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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.