Home / 17,387,867.40-26,081,801.10-10,921,345.80

Finding the Fourth Proportional to 17,387,867.40, 26,081,801.10 and 10,921,345.80

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Solution

The fourth proportional to 17,387,867.40, 26,081,801.10 and 10,921,345.80 is: 16,382,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387,867.40 : 26,081,801.10 = 10,921,345.80 : x
  2. Step 2: Convert to fraction form
    17,387,867.40/26,081,801.10 = 10,921,345.80/x
  3. Step 3: Cross multiply
    17,387,867.40x = 26,081,801.10 × 10,921,345.80
  4. Step 4: Simplify right side
    17,387,867.40x = 284,848,368,899,920.44
  5. Step 5: Solve for x
    x = 284,848,368,899,920.44/17,387,867.40
  6. Step 6: Final answer
    x = 16,382,018.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.