Home / 20,414,347.20-30,621,520.80-18,524,779.20

Finding the Fourth Proportional to 20,414,347.20, 30,621,520.80 and 18,524,779.20

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Solution

The fourth proportional to 20,414,347.20, 30,621,520.80 and 18,524,779.20 is: 27,787,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414,347.20 : 30,621,520.80 = 18,524,779.20 : x
  2. Step 2: Convert to fraction form
    20,414,347.20/30,621,520.80 = 18,524,779.20/x
  3. Step 3: Cross multiply
    20,414,347.20x = 30,621,520.80 × 18,524,779.20
  4. Step 4: Simplify right side
    20,414,347.20x = 567,256,911,588,207.38
  5. Step 5: Solve for x
    x = 567,256,911,588,207.38/20,414,347.20
  6. Step 6: Final answer
    x = 27,787,168.80

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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.