Home / 38,992,182.17-53,810,032.39-21,351,825.59

Finding the Fourth Proportional to 38,992,182.17, 53,810,032.39 and 21,351,825.59

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Solution

The fourth proportional to 38,992,182.17, 53,810,032.39 and 21,351,825.59 is: 29,465,968.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,992,182.17 : 53,810,032.39 = 21,351,825.59 : x
  2. Step 2: Convert to fraction form
    38,992,182.17/53,810,032.39 = 21,351,825.59/x
  3. Step 3: Cross multiply
    38,992,182.17x = 53,810,032.39 × 21,351,825.59
  4. Step 4: Simplify right side
    38,992,182.17x = 1,148,942,426,261,101.25
  5. Step 5: Solve for x
    x = 1,148,942,426,261,101.25/38,992,182.17
  6. Step 6: Final answer
    x = 29,465,968.88

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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.