Home / 38,846,434.51-53,608,071.49-21,442,775.23

Finding the Fourth Proportional to 38,846,434.51, 53,608,071.49 and 21,442,775.23

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Solution

The fourth proportional to 38,846,434.51, 53,608,071.49 and 21,442,775.23 is: 29,591,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,846,434.51 : 53,608,071.49 = 21,442,775.23 : x
  2. Step 2: Convert to fraction form
    38,846,434.51/53,608,071.49 = 21,442,775.23/x
  3. Step 3: Cross multiply
    38,846,434.51x = 53,608,071.49 × 21,442,775.23
  4. Step 4: Simplify right side
    38,846,434.51x = 1,149,505,827,473,841.25
  5. Step 5: Solve for x
    x = 1,149,505,827,473,841.25/38,846,434.51
  6. Step 6: Final answer
    x = 29,591,025.33

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Double scale
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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.