Home / 26,121,525.20-39,149,628.60-13,347,112.40

Finding the Fourth Proportional to 26,121,525.20, 39,149,628.60 and 13,347,112.40

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Solution

The fourth proportional to 26,121,525.20, 39,149,628.60 and 13,347,112.40 is: 20,003,980.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121,525.20 : 39,149,628.60 = 13,347,112.40 : x
  2. Step 2: Convert to fraction form
    26,121,525.20/39,149,628.60 = 13,347,112.40/x
  3. Step 3: Cross multiply
    26,121,525.20x = 39,149,628.60 × 13,347,112.40
  4. Step 4: Simplify right side
    26,121,525.20x = 522,534,493,342,454.69
  5. Step 5: Solve for x
    x = 522,534,493,342,454.69/26,121,525.20
  6. Step 6: Final answer
    x = 20,003,980.98

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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.