Home / 38,951,284.36-53,752,577.02-21,309,867.22

Finding the Fourth Proportional to 38,951,284.36, 53,752,577.02 and 21,309,867.22

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Solution

The fourth proportional to 38,951,284.36, 53,752,577.02 and 21,309,867.22 is: 29,407,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,951,284.36 : 53,752,577.02 = 21,309,867.22 : x
  2. Step 2: Convert to fraction form
    38,951,284.36/53,752,577.02 = 21,309,867.22/x
  3. Step 3: Cross multiply
    38,951,284.36x = 53,752,577.02 × 21,309,867.22
  4. Step 4: Simplify right side
    38,951,284.36x = 1,145,460,279,029,023.25
  5. Step 5: Solve for x
    x = 1,145,460,279,029,023.25/38,951,284.36
  6. Step 6: Final answer
    x = 29,407,509.86

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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.