Home / 12,015,963.64-18,025,053.66-3,928,980.88

Finding the Fourth Proportional to 12,015,963.64, 18,025,053.66 and 3,928,980.88

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Solution

The fourth proportional to 12,015,963.64, 18,025,053.66 and 3,928,980.88 is: 5,893,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015,963.64 : 18,025,053.66 = 3,928,980.88 : x
  2. Step 2: Convert to fraction form
    12,015,963.64/18,025,053.66 = 3,928,980.88/x
  3. Step 3: Cross multiply
    12,015,963.64x = 18,025,053.66 × 3,928,980.88
  4. Step 4: Simplify right side
    12,015,963.64x = 70,820,091,191,114.02
  5. Step 5: Solve for x
    x = 70,820,091,191,114.02/12,015,963.64
  6. Step 6: Final answer
    x = 5,893,833.68

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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.