Home / 13,779,826.20-20,669,739.30-10,591,180.20

Finding the Fourth Proportional to 13,779,826.20, 20,669,739.30 and 10,591,180.20

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Solution

The fourth proportional to 13,779,826.20, 20,669,739.30 and 10,591,180.20 is: 15,886,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779,826.20 : 20,669,739.30 = 10,591,180.20 : x
  2. Step 2: Convert to fraction form
    13,779,826.20/20,669,739.30 = 10,591,180.20/x
  3. Step 3: Cross multiply
    13,779,826.20x = 20,669,739.30 × 10,591,180.20
  4. Step 4: Simplify right side
    13,779,826.20x = 218,916,933,613,321.84
  5. Step 5: Solve for x
    x = 218,916,933,613,321.84/13,779,826.20
  6. Step 6: Final answer
    x = 15,886,770.30

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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.