Home / 13,715,123.79-20,572,644.67-3,479,963.79

Finding the Fourth Proportional to 13,715,123.79, 20,572,644.67 and 3,479,963.79

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Solution

The fourth proportional to 13,715,123.79, 20,572,644.67 and 3,479,963.79 is: 5,219,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715,123.79 : 20,572,644.67 = 3,479,963.79 : x
  2. Step 2: Convert to fraction form
    13,715,123.79/20,572,644.67 = 3,479,963.79/x
  3. Step 3: Cross multiply
    13,715,123.79x = 20,572,644.67 × 3,479,963.79
  4. Step 4: Simplify right side
    13,715,123.79x = 71,592,058,481,912.75
  5. Step 5: Solve for x
    x = 71,592,058,481,912.75/13,715,123.79
  6. Step 6: Final answer
    x = 5,219,935.28

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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.