Home / 6,648,140.08-9,175,162.32-3,857,878

Finding the Fourth Proportional to 6,648,140.08, 9,175,162.32 and 3,857,878

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Solution

The fourth proportional to 6,648,140.08, 9,175,162.32 and 3,857,878 is: 5,324,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648,140.08 : 9,175,162.32 = 3,857,878 : x
  2. Step 2: Convert to fraction form
    6,648,140.08/9,175,162.32 = 3,857,878/x
  3. Step 3: Cross multiply
    6,648,140.08x = 9,175,162.32 × 3,857,878
  4. Step 4: Simplify right side
    6,648,140.08x = 35,396,656,860,756.96
  5. Step 5: Solve for x
    x = 35,396,656,860,756.96/6,648,140.08
  6. Step 6: Final answer
    x = 5,324,294.68

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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.