Home / 15,787,033.56-21,786,106.02-8,543,689.56

Finding the Fourth Proportional to 15,787,033.56, 21,786,106.02 and 8,543,689.56

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Solution

The fourth proportional to 15,787,033.56, 21,786,106.02 and 8,543,689.56 is: 11,790,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787,033.56 : 21,786,106.02 = 8,543,689.56 : x
  2. Step 2: Convert to fraction form
    15,787,033.56/21,786,106.02 = 8,543,689.56/x
  3. Step 3: Cross multiply
    15,787,033.56x = 21,786,106.02 × 8,543,689.56
  4. Step 4: Simplify right side
    15,787,033.56x = 186,133,726,556,127.16
  5. Step 5: Solve for x
    x = 186,133,726,556,127.16/15,787,033.56
  6. Step 6: Final answer
    x = 11,790,291.43

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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.