Home / 13,932,067.80-20,898,101.70-7,475,059.65

Finding the Fourth Proportional to 13,932,067.80, 20,898,101.70 and 7,475,059.65

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Solution

The fourth proportional to 13,932,067.80, 20,898,101.70 and 7,475,059.65 is: 11,212,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932,067.80 : 20,898,101.70 = 7,475,059.65 : x
  2. Step 2: Convert to fraction form
    13,932,067.80/20,898,101.70 = 7,475,059.65/x
  3. Step 3: Cross multiply
    13,932,067.80x = 20,898,101.70 × 7,475,059.65
  4. Step 4: Simplify right side
    13,932,067.80x = 156,214,556,779,266.41
  5. Step 5: Solve for x
    x = 156,214,556,779,266.41/13,932,067.80
  6. Step 6: Final answer
    x = 11,212,589.48

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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.