Home / 17,387,789.40-26,081,684.10-10,921,267.80

Finding the Fourth Proportional to 17,387,789.40, 26,081,684.10 and 10,921,267.80

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Solution

The fourth proportional to 17,387,789.40, 26,081,684.10 and 10,921,267.80 is: 16,381,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387,789.40 : 26,081,684.10 = 10,921,267.80 : x
  2. Step 2: Convert to fraction form
    17,387,789.40/26,081,684.10 = 10,921,267.80/x
  3. Step 3: Cross multiply
    17,387,789.40x = 26,081,684.10 × 10,921,267.80
  4. Step 4: Simplify right side
    17,387,789.40x = 284,845,056,731,102
  5. Step 5: Solve for x
    x = 284,845,056,731,102/17,387,789.40
  6. Step 6: Final answer
    x = 16,381,901.70

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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.