Home / 13,265,849.70-19,888,189.47-7,505,029.26

Finding the Fourth Proportional to 13,265,849.70, 19,888,189.47 and 7,505,029.26

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Solution

The fourth proportional to 13,265,849.70, 19,888,189.47 and 7,505,029.26 is: 11,251,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265,849.70 : 19,888,189.47 = 7,505,029.26 : x
  2. Step 2: Convert to fraction form
    13,265,849.70/19,888,189.47 = 7,505,029.26/x
  3. Step 3: Cross multiply
    13,265,849.70x = 19,888,189.47 × 7,505,029.26
  4. Step 4: Simplify right side
    13,265,849.70x = 149,261,443,900,773.88
  5. Step 5: Solve for x
    x = 149,261,443,900,773.88/13,265,849.70
  6. Step 6: Final answer
    x = 11,251,555.48

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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.