Home / 7,208,603.16-9,947,467.56-3,945,411.24

Finding the Fourth Proportional to 7,208,603.16, 9,947,467.56 and 3,945,411.24

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Solution

The fourth proportional to 7,208,603.16, 9,947,467.56 and 3,945,411.24 is: 5,444,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208,603.16 : 9,947,467.56 = 3,945,411.24 : x
  2. Step 2: Convert to fraction form
    7,208,603.16/9,947,467.56 = 3,945,411.24/x
  3. Step 3: Cross multiply
    7,208,603.16x = 9,947,467.56 × 3,945,411.24
  4. Step 4: Simplify right side
    7,208,603.16x = 39,246,850,320,759.38
  5. Step 5: Solve for x
    x = 39,246,850,320,759.38/7,208,603.16
  6. Step 6: Final answer
    x = 5,444,445.96

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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.