Home / 12,009,163.42-18,013,787.24-2,911,223.98

Finding the Fourth Proportional to 12,009,163.42, 18,013,787.24 and 2,911,223.98

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Solution

The fourth proportional to 12,009,163.42, 18,013,787.24 and 2,911,223.98 is: 4,366,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009,163.42 : 18,013,787.24 = 2,911,223.98 : x
  2. Step 2: Convert to fraction form
    12,009,163.42/18,013,787.24 = 2,911,223.98/x
  3. Step 3: Cross multiply
    12,009,163.42x = 18,013,787.24 × 2,911,223.98
  4. Step 4: Simplify right side
    12,009,163.42x = 52,442,169,383,706.01
  5. Step 5: Solve for x
    x = 52,442,169,383,706.01/12,009,163.42
  6. Step 6: Final answer
    x = 4,366,846.18

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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.