Home / 38,480,955.72-53,103,062.53-20,839,714.97

Finding the Fourth Proportional to 38,480,955.72, 53,103,062.53 and 20,839,714.97

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Solution

The fourth proportional to 38,480,955.72, 53,103,062.53 and 20,839,714.97 is: 28,758,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480,955.72 : 53,103,062.53 = 20,839,714.97 : x
  2. Step 2: Convert to fraction form
    38,480,955.72/53,103,062.53 = 20,839,714.97/x
  3. Step 3: Cross multiply
    38,480,955.72x = 53,103,062.53 × 20,839,714.97
  4. Step 4: Simplify right side
    38,480,955.72x = 1,106,652,687,159,287
  5. Step 5: Solve for x
    x = 1,106,652,687,159,287/38,480,955.72
  6. Step 6: Final answer
    x = 28,758,451.20

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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.