Home / 20,536,725.71-28,339,604.60-11,242,515.17

Finding the Fourth Proportional to 20,536,725.71, 28,339,604.60 and 11,242,515.17

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Solution

The fourth proportional to 20,536,725.71, 28,339,604.60 and 11,242,515.17 is: 15,514,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536,725.71 : 28,339,604.60 = 11,242,515.17 : x
  2. Step 2: Convert to fraction form
    20,536,725.71/28,339,604.60 = 11,242,515.17/x
  3. Step 3: Cross multiply
    20,536,725.71x = 28,339,604.60 × 11,242,515.17
  4. Step 4: Simplify right side
    20,536,725.71x = 318,608,434,627,301.81
  5. Step 5: Solve for x
    x = 318,608,434,627,301.81/20,536,725.71
  6. Step 6: Final answer
    x = 15,514,081.41

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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.