Home / 38,852,568.06-53,615,139.48-21,448,540.32

Finding the Fourth Proportional to 38,852,568.06, 53,615,139.48 and 21,448,540.32

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Solution

The fourth proportional to 38,852,568.06, 53,615,139.48 and 21,448,540.32 is: 29,598,210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,852,568.06 : 53,615,139.48 = 21,448,540.32 : x
  2. Step 2: Convert to fraction form
    38,852,568.06/53,615,139.48 = 21,448,540.32/x
  3. Step 3: Cross multiply
    38,852,568.06x = 53,615,139.48 × 21,448,540.32
  4. Step 4: Simplify right side
    38,852,568.06x = 1,149,966,480,899,203.75
  5. Step 5: Solve for x
    x = 1,149,966,480,899,203.75/38,852,568.06
  6. Step 6: Final answer
    x = 29,598,210.32

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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.