Home / 39,589,819.88-59,307,419.45-18,810,687.45

Finding the Fourth Proportional to 39,589,819.88, 59,307,419.45 and 18,810,687.45

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Solution

The fourth proportional to 39,589,819.88, 59,307,419.45 and 18,810,687.45 is: 28,179,297.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,589,819.88 : 59,307,419.45 = 18,810,687.45 : x
  2. Step 2: Convert to fraction form
    39,589,819.88/59,307,419.45 = 18,810,687.45/x
  3. Step 3: Cross multiply
    39,589,819.88x = 59,307,419.45 × 18,810,687.45
  4. Step 4: Simplify right side
    39,589,819.88x = 1,115,613,331,009,430.38
  5. Step 5: Solve for x
    x = 1,115,613,331,009,430.38/39,589,819.88
  6. Step 6: Final answer
    x = 28,179,297.97

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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.