Home / 7,003,665.03-9,665,205.62-3,947,878.47

Finding the Fourth Proportional to 7,003,665.03, 9,665,205.62 and 3,947,878.47

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Solution

The fourth proportional to 7,003,665.03, 9,665,205.62 and 3,947,878.47 is: 5,448,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003,665.03 : 9,665,205.62 = 3,947,878.47 : x
  2. Step 2: Convert to fraction form
    7,003,665.03/9,665,205.62 = 3,947,878.47/x
  3. Step 3: Cross multiply
    7,003,665.03x = 9,665,205.62 × 3,947,878.47
  4. Step 4: Simplify right side
    7,003,665.03x = 38,157,057,175,321
  5. Step 5: Solve for x
    x = 38,157,057,175,321/7,003,665.03
  6. Step 6: Final answer
    x = 5,448,155.65

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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.