Home / 20,692,710.36-28,555,948.17-11,995,924.43

Finding the Fourth Proportional to 20,692,710.36, 28,555,948.17 and 11,995,924.43

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Solution

The fourth proportional to 20,692,710.36, 28,555,948.17 and 11,995,924.43 is: 16,554,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,692,710.36 : 28,555,948.17 = 11,995,924.43 : x
  2. Step 2: Convert to fraction form
    20,692,710.36/28,555,948.17 = 11,995,924.43/x
  3. Step 3: Cross multiply
    20,692,710.36x = 28,555,948.17 × 11,995,924.43
  4. Step 4: Simplify right side
    20,692,710.36x = 342,554,996,345,706.69
  5. Step 5: Solve for x
    x = 342,554,996,345,706.69/20,692,710.36
  6. Step 6: Final answer
    x = 16,554,380.28

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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.