Home / 38,922,387.90-53,714,016.57-21,519,856.63

Finding the Fourth Proportional to 38,922,387.90, 53,714,016.57 and 21,519,856.63

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Solution

The fourth proportional to 38,922,387.90, 53,714,016.57 and 21,519,856.63 is: 29,698,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,922,387.90 : 53,714,016.57 = 21,519,856.63 : x
  2. Step 2: Convert to fraction form
    38,922,387.90/53,714,016.57 = 21,519,856.63/x
  3. Step 3: Cross multiply
    38,922,387.90x = 53,714,016.57 × 21,519,856.63
  4. Step 4: Simplify right side
    38,922,387.90x = 1,155,917,935,607,844.25
  5. Step 5: Solve for x
    x = 1,155,917,935,607,844.25/38,922,387.90
  6. Step 6: Final answer
    x = 29,698,022.09

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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.