Home / 38,701,754.62-53,408,429.39-21,298,100.02

Finding the Fourth Proportional to 38,701,754.62, 53,408,429.39 and 21,298,100.02

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Solution

The fourth proportional to 38,701,754.62, 53,408,429.39 and 21,298,100.02 is: 29,391,382.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,701,754.62 : 53,408,429.39 = 21,298,100.02 : x
  2. Step 2: Convert to fraction form
    38,701,754.62/53,408,429.39 = 21,298,100.02/x
  3. Step 3: Cross multiply
    38,701,754.62x = 53,408,429.39 × 21,298,100.02
  4. Step 4: Simplify right side
    38,701,754.62x = 1,137,498,071,059,327.50
  5. Step 5: Solve for x
    x = 1,137,498,071,059,327.50/38,701,754.62
  6. Step 6: Final answer
    x = 29,391,382.44

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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.