Home / 12,008,963.54-18,015,311.47-4,032,653.78

Finding the Fourth Proportional to 12,008,963.54, 18,015,311.47 and 4,032,653.78

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Solution

The fourth proportional to 12,008,963.54, 18,015,311.47 and 4,032,653.78 is: 6,049,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008,963.54 : 18,015,311.47 = 4,032,653.78 : x
  2. Step 2: Convert to fraction form
    12,008,963.54/18,015,311.47 = 4,032,653.78/x
  3. Step 3: Cross multiply
    12,008,963.54x = 18,015,311.47 × 4,032,653.78
  4. Step 4: Simplify right side
    12,008,963.54x = 72,649,513,897,372.84
  5. Step 5: Solve for x
    x = 72,649,513,897,372.84/12,008,963.54
  6. Step 6: Final answer
    x = 6,049,607.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.