Home / 39,899,800.09-55,061,699.24-21,565,085.59

Finding the Fourth Proportional to 39,899,800.09, 55,061,699.24 and 21,565,085.59

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Solution

The fourth proportional to 39,899,800.09, 55,061,699.24 and 21,565,085.59 is: 29,759,804.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,899,800.09 : 55,061,699.24 = 21,565,085.59 : x
  2. Step 2: Convert to fraction form
    39,899,800.09/55,061,699.24 = 21,565,085.59/x
  3. Step 3: Cross multiply
    39,899,800.09x = 55,061,699.24 × 21,565,085.59
  4. Step 4: Simplify right side
    39,899,800.09x = 1,187,410,256,757,696.25
  5. Step 5: Solve for x
    x = 1,187,410,256,757,696.25/39,899,800.09
  6. Step 6: Final answer
    x = 29,759,804.66

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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.