Home / 20,759,934.70-31,139,902.05-11,193,996.70

Finding the Fourth Proportional to 20,759,934.70, 31,139,902.05 and 11,193,996.70

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Solution

The fourth proportional to 20,759,934.70, 31,139,902.05 and 11,193,996.70 is: 16,790,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,759,934.70 : 31,139,902.05 = 11,193,996.70 : x
  2. Step 2: Convert to fraction form
    20,759,934.70/31,139,902.05 = 11,193,996.70/x
  3. Step 3: Cross multiply
    20,759,934.70x = 31,139,902.05 × 11,193,996.70
  4. Step 4: Simplify right side
    20,759,934.70x = 348,579,960,786,023.25
  5. Step 5: Solve for x
    x = 348,579,960,786,023.25/20,759,934.70
  6. Step 6: Final answer
    x = 16,790,995.05

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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.