Home / 19,303,126.35-28,959,590.51-8,935,819.61

Finding the Fourth Proportional to 19,303,126.35, 28,959,590.51 and 8,935,819.61

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Solution

The fourth proportional to 19,303,126.35, 28,959,590.51 and 8,935,819.61 is: 13,405,998.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303,126.35 : 28,959,590.51 = 8,935,819.61 : x
  2. Step 2: Convert to fraction form
    19,303,126.35/28,959,590.51 = 8,935,819.61/x
  3. Step 3: Cross multiply
    19,303,126.35x = 28,959,590.51 × 8,935,819.61
  4. Step 4: Simplify right side
    19,303,126.35x = 258,777,676,783,757.88
  5. Step 5: Solve for x
    x = 258,777,676,783,757.88/19,303,126.35
  6. Step 6: Final answer
    x = 13,405,998.18

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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.