Home / 39,661,439.96-59,508,975.83-19,206,400.38

Finding the Fourth Proportional to 39,661,439.96, 59,508,975.83 and 19,206,400.38

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Solution

The fourth proportional to 39,661,439.96, 59,508,975.83 and 19,206,400.38 is: 28,817,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,661,439.96 : 59,508,975.83 = 19,206,400.38 : x
  2. Step 2: Convert to fraction form
    39,661,439.96/59,508,975.83 = 19,206,400.38/x
  3. Step 3: Cross multiply
    39,661,439.96x = 59,508,975.83 × 19,206,400.38
  4. Step 4: Simplify right side
    39,661,439.96x = 1,142,953,215,994,722.75
  5. Step 5: Solve for x
    x = 1,142,953,215,994,722.75/39,661,439.96
  6. Step 6: Final answer
    x = 28,817,743.81

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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.