Home / 20,692,834.49-28,556,119.37-11,996,048.63

Finding the Fourth Proportional to 20,692,834.49, 28,556,119.37 and 11,996,048.63

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Solution

The fourth proportional to 20,692,834.49, 28,556,119.37 and 11,996,048.63 is: 16,554,551.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,692,834.49 : 28,556,119.37 = 11,996,048.63 : x
  2. Step 2: Convert to fraction form
    20,692,834.49/28,556,119.37 = 11,996,048.63/x
  3. Step 3: Cross multiply
    20,692,834.49x = 28,556,119.37 × 11,996,048.63
  4. Step 4: Simplify right side
    20,692,834.49x = 342,560,596,586,624.75
  5. Step 5: Solve for x
    x = 342,560,596,586,624.75/20,692,834.49
  6. Step 6: Final answer
    x = 16,554,551.61

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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.