Home / 13,908,557.34-20,862,614.21-3,811,178.34

Finding the Fourth Proportional to 13,908,557.34, 20,862,614.21 and 3,811,178.34

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Solution

The fourth proportional to 13,908,557.34, 20,862,614.21 and 3,811,178.34 is: 5,716,706.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908,557.34 : 20,862,614.21 = 3,811,178.34 : x
  2. Step 2: Convert to fraction form
    13,908,557.34/20,862,614.21 = 3,811,178.34/x
  3. Step 3: Cross multiply
    13,908,557.34x = 20,862,614.21 × 3,811,178.34
  4. Step 4: Simplify right side
    13,908,557.34x = 79,511,143,373,872.31
  5. Step 5: Solve for x
    x = 79,511,143,373,872.31/13,908,557.34
  6. Step 6: Final answer
    x = 5,716,706.73

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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.