Home / 39,378,365.68-59,067,300.66-21,191,127.88

Finding the Fourth Proportional to 39,378,365.68, 59,067,300.66 and 21,191,127.88

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Solution

The fourth proportional to 39,378,365.68, 59,067,300.66 and 21,191,127.88 is: 31,786,558.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,378,365.68 : 59,067,300.66 = 21,191,127.88 : x
  2. Step 2: Convert to fraction form
    39,378,365.68/59,067,300.66 = 21,191,127.88/x
  3. Step 3: Cross multiply
    39,378,365.68x = 59,067,300.66 × 21,191,127.88
  4. Step 4: Simplify right side
    39,378,365.68x = 1,251,702,721,812,468.25
  5. Step 5: Solve for x
    x = 1,251,702,721,812,468.25/39,378,365.68
  6. Step 6: Final answer
    x = 31,786,558.44

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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.