Home / 19,109,481.12-28,676,553.63-6,977,928.77

Finding the Fourth Proportional to 19,109,481.12, 28,676,553.63 and 6,977,928.77

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Solution

The fourth proportional to 19,109,481.12, 28,676,553.63 and 6,977,928.77 is: 10,471,396.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109,481.12 : 28,676,553.63 = 6,977,928.77 : x
  2. Step 2: Convert to fraction form
    19,109,481.12/28,676,553.63 = 6,977,928.77/x
  3. Step 3: Cross multiply
    19,109,481.12x = 28,676,553.63 × 6,977,928.77
  4. Step 4: Simplify right side
    19,109,481.12x = 200,102,948,537,212
  5. Step 5: Solve for x
    x = 200,102,948,537,212/19,109,481.12
  6. Step 6: Final answer
    x = 10,471,396.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.