Home / 13,564,330.88-20,349,645.76-3,979,322.24

Finding the Fourth Proportional to 13,564,330.88, 20,349,645.76 and 3,979,322.24

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Solution

The fourth proportional to 13,564,330.88, 20,349,645.76 and 3,979,322.24 is: 5,969,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,330.88 : 20,349,645.76 = 3,979,322.24 : x
  2. Step 2: Convert to fraction form
    13,564,330.88/20,349,645.76 = 3,979,322.24/x
  3. Step 3: Cross multiply
    13,564,330.88x = 20,349,645.76 × 3,979,322.24
  4. Step 4: Simplify right side
    13,564,330.88x = 80,977,797,948,889.72
  5. Step 5: Solve for x
    x = 80,977,797,948,889.72/13,564,330.88
  6. Step 6: Final answer
    x = 5,969,907.30

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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.