Home / 38,772,874.40-53,504,383.56-21,369,166.16

Finding the Fourth Proportional to 38,772,874.40, 53,504,383.56 and 21,369,166.16

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Solution

The fourth proportional to 38,772,874.40, 53,504,383.56 and 21,369,166.16 is: 29,488,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,772,874.40 : 53,504,383.56 = 21,369,166.16 : x
  2. Step 2: Convert to fraction form
    38,772,874.40/53,504,383.56 = 21,369,166.16/x
  3. Step 3: Cross multiply
    38,772,874.40x = 53,504,383.56 × 21,369,166.16
  4. Step 4: Simplify right side
    38,772,874.40x = 1,143,344,062,582,012.50
  5. Step 5: Solve for x
    x = 1,143,344,062,582,012.50/38,772,874.40
  6. Step 6: Final answer
    x = 29,488,246.11

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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.