Home / 10,203,105.12-14,081,279.60-7,620,301.88

Finding the Fourth Proportional to 10,203,105.12, 14,081,279.60 and 7,620,301.88

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Solution

The fourth proportional to 10,203,105.12, 14,081,279.60 and 7,620,301.88 is: 10,516,759.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203,105.12 : 14,081,279.60 = 7,620,301.88 : x
  2. Step 2: Convert to fraction form
    10,203,105.12/14,081,279.60 = 7,620,301.88/x
  3. Step 3: Cross multiply
    10,203,105.12x = 14,081,279.60 × 7,620,301.88
  4. Step 4: Simplify right side
    10,203,105.12x = 107,303,601,408,685.64
  5. Step 5: Solve for x
    x = 107,303,601,408,685.64/10,203,105.12
  6. Step 6: Final answer
    x = 10,516,759.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.