Home / 8,961,781.80-12,368,369.88-5,476,403.64

Finding the Fourth Proportional to 8,961,781.80, 12,368,369.88 and 5,476,403.64

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Solution

The fourth proportional to 8,961,781.80, 12,368,369.88 and 5,476,403.64 is: 7,558,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961,781.80 : 12,368,369.88 = 5,476,403.64 : x
  2. Step 2: Convert to fraction form
    8,961,781.80/12,368,369.88 = 5,476,403.64/x
  3. Step 3: Cross multiply
    8,961,781.80x = 12,368,369.88 × 5,476,403.64
  4. Step 4: Simplify right side
    8,961,781.80x = 67,734,185,831,698.37
  5. Step 5: Solve for x
    x = 67,734,185,831,698.37/8,961,781.80
  6. Step 6: Final answer
    x = 7,558,115.94

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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.