Home / 13,400,279.88-20,097,855.36-5,202,921.96

Finding the Fourth Proportional to 13,400,279.88, 20,097,855.36 and 5,202,921.96

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Solution

The fourth proportional to 13,400,279.88, 20,097,855.36 and 5,202,921.96 is: 7,803,387.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400,279.88 : 20,097,855.36 = 5,202,921.96 : x
  2. Step 2: Convert to fraction form
    13,400,279.88/20,097,855.36 = 5,202,921.96/x
  3. Step 3: Cross multiply
    13,400,279.88x = 20,097,855.36 × 5,202,921.96
  4. Step 4: Simplify right side
    13,400,279.88x = 104,567,573,001,447.70
  5. Step 5: Solve for x
    x = 104,567,573,001,447.70/13,400,279.88
  6. Step 6: Final answer
    x = 7,803,387.24

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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.