Home / 20,272,242.64-30,408,110.34-4,919,659.51

Finding the Fourth Proportional to 20,272,242.64, 30,408,110.34 and 4,919,659.51

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Solution

The fourth proportional to 20,272,242.64, 30,408,110.34 and 4,919,659.51 is: 7,379,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272,242.64 : 30,408,110.34 = 4,919,659.51 : x
  2. Step 2: Convert to fraction form
    20,272,242.64/30,408,110.34 = 4,919,659.51/x
  3. Step 3: Cross multiply
    20,272,242.64x = 30,408,110.34 × 4,919,659.51
  4. Step 4: Simplify right side
    20,272,242.64x = 149,597,549,215,310.31
  5. Step 5: Solve for x
    x = 149,597,549,215,310.31/20,272,242.64
  6. Step 6: Final answer
    x = 7,379,427.72

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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.