Home / 12,387,229.96-18,581,031.69-4,300,462.39

Finding the Fourth Proportional to 12,387,229.96, 18,581,031.69 and 4,300,462.39

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Solution

The fourth proportional to 12,387,229.96, 18,581,031.69 and 4,300,462.39 is: 6,450,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387,229.96 : 18,581,031.69 = 4,300,462.39 : x
  2. Step 2: Convert to fraction form
    12,387,229.96/18,581,031.69 = 4,300,462.39/x
  3. Step 3: Cross multiply
    12,387,229.96x = 18,581,031.69 × 4,300,462.39
  4. Step 4: Simplify right side
    12,387,229.96x = 79,907,027,950,243.14
  5. Step 5: Solve for x
    x = 79,907,027,950,243.14/12,387,229.96
  6. Step 6: Final answer
    x = 6,450,758.42

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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.