Home / 7,003,665.04-9,665,205.62-3,947,878.48

Finding the Fourth Proportional to 7,003,665.04, 9,665,205.62 and 3,947,878.48

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Solution

The fourth proportional to 7,003,665.04, 9,665,205.62 and 3,947,878.48 is: 5,448,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003,665.04 : 9,665,205.62 = 3,947,878.48 : x
  2. Step 2: Convert to fraction form
    7,003,665.04/9,665,205.62 = 3,947,878.48/x
  3. Step 3: Cross multiply
    7,003,665.04x = 9,665,205.62 × 3,947,878.48
  4. Step 4: Simplify right side
    7,003,665.04x = 38,157,057,271,973.05
  5. Step 5: Solve for x
    x = 38,157,057,271,973.05/7,003,665.04
  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.