Home / 27,943,173.78-38,561,285.22-15,553,069.74

Finding the Fourth Proportional to 27,943,173.78, 38,561,285.22 and 15,553,069.74

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Solution

The fourth proportional to 27,943,173.78, 38,561,285.22 and 15,553,069.74 is: 21,463,072.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,943,173.78 : 38,561,285.22 = 15,553,069.74 : x
  2. Step 2: Convert to fraction form
    27,943,173.78/38,561,285.22 = 15,553,069.74/x
  3. Step 3: Cross multiply
    27,943,173.78x = 38,561,285.22 × 15,553,069.74
  4. Step 4: Simplify right side
    27,943,173.78x = 599,746,358,290,691.25
  5. Step 5: Solve for x
    x = 599,746,358,290,691.25/27,943,173.78
  6. Step 6: Final answer
    x = 21,463,072.27

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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.