Home / 38,772,902.40-53,504,422.08-21,369,194.16

Finding the Fourth Proportional to 38,772,902.40, 53,504,422.08 and 21,369,194.16

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Solution

The fourth proportional to 38,772,902.40, 53,504,422.08 and 21,369,194.16 is: 29,488,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,772,902.40 : 53,504,422.08 = 21,369,194.16 : x
  2. Step 2: Convert to fraction form
    38,772,902.40/53,504,422.08 = 21,369,194.16/x
  3. Step 3: Cross multiply
    38,772,902.40x = 53,504,422.08 × 21,369,194.16
  4. Step 4: Simplify right side
    38,772,902.40x = 1,143,346,383,846,111
  5. Step 5: Solve for x
    x = 1,143,346,383,846,111/38,772,902.40
  6. Step 6: Final answer
    x = 29,488,284.68

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1.5x scale

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.