Home / 15,753,313.22-21,739,035.11-8,689,186.35

Finding the Fourth Proportional to 15,753,313.22, 21,739,035.11 and 8,689,186.35

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Solution

The fourth proportional to 15,753,313.22, 21,739,035.11 and 8,689,186.35 is: 11,990,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,753,313.22 : 21,739,035.11 = 8,689,186.35 : x
  2. Step 2: Convert to fraction form
    15,753,313.22/21,739,035.11 = 8,689,186.35/x
  3. Step 3: Cross multiply
    15,753,313.22x = 21,739,035.11 × 8,689,186.35
  4. Step 4: Simplify right side
    15,753,313.22x = 188,894,527,161,705.72
  5. Step 5: Solve for x
    x = 188,894,527,161,705.72/15,753,313.22
  6. Step 6: Final answer
    x = 11,990,780.90

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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.