Home / 20,693,011.74-28,556,364.03-11,996,225.76

Finding the Fourth Proportional to 20,693,011.74, 28,556,364.03 and 11,996,225.76

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Solution

The fourth proportional to 20,693,011.74, 28,556,364.03 and 11,996,225.76 is: 16,554,796.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693,011.74 : 28,556,364.03 = 11,996,225.76 : x
  2. Step 2: Convert to fraction form
    20,693,011.74/28,556,364.03 = 11,996,225.76/x
  3. Step 3: Cross multiply
    20,693,011.74x = 28,556,364.03 × 11,996,225.76
  4. Step 4: Simplify right side
    20,693,011.74x = 342,568,589,788,623.44
  5. Step 5: Solve for x
    x = 342,568,589,788,623.44/20,693,011.74
  6. Step 6: Final answer
    x = 16,554,796.09

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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.