Home / 12,383,438.40-18,576,907.20-3,862,886.40

Finding the Fourth Proportional to 12,383,438.40, 18,576,907.20 and 3,862,886.40

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Solution

The fourth proportional to 12,383,438.40, 18,576,907.20 and 3,862,886.40 is: 5,794,875.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383,438.40 : 18,576,907.20 = 3,862,886.40 : x
  2. Step 2: Convert to fraction form
    12,383,438.40/18,576,907.20 = 3,862,886.40/x
  3. Step 3: Cross multiply
    12,383,438.40x = 18,576,907.20 × 3,862,886.40
  4. Step 4: Simplify right side
    12,383,438.40x = 71,760,482,176,942.08
  5. Step 5: Solve for x
    x = 71,760,482,176,942.08/12,383,438.40
  6. Step 6: Final answer
    x = 5,794,875.37

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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.