Home / 39,029,933.78-53,861,255.78-21,627,405.98

Finding the Fourth Proportional to 39,029,933.78, 53,861,255.78 and 21,627,405.98

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Solution

The fourth proportional to 39,029,933.78, 53,861,255.78 and 21,627,405.98 is: 29,845,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,029,933.78 : 53,861,255.78 = 21,627,405.98 : x
  2. Step 2: Convert to fraction form
    39,029,933.78/53,861,255.78 = 21,627,405.98/x
  3. Step 3: Cross multiply
    39,029,933.78x = 53,861,255.78 × 21,627,405.98
  4. Step 4: Simplify right side
    39,029,933.78x = 1,164,879,245,346,681.50
  5. Step 5: Solve for x
    x = 1,164,879,245,346,681.50/39,029,933.78
  6. Step 6: Final answer
    x = 29,845,790.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.