Home / 15,196,442.49-20,971,124.49-8,227,193.49

Finding the Fourth Proportional to 15,196,442.49, 20,971,124.49 and 8,227,193.49

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Solution

The fourth proportional to 15,196,442.49, 20,971,124.49 and 8,227,193.49 is: 11,353,545.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196,442.49 : 20,971,124.49 = 8,227,193.49 : x
  2. Step 2: Convert to fraction form
    15,196,442.49/20,971,124.49 = 8,227,193.49/x
  3. Step 3: Cross multiply
    15,196,442.49x = 20,971,124.49 × 8,227,193.49
  4. Step 4: Simplify right side
    15,196,442.49x = 172,533,498,882,107.56
  5. Step 5: Solve for x
    x = 172,533,498,882,107.56/15,196,442.49
  6. Step 6: Final answer
    x = 11,353,545.34

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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.