Home / 12,102,604.50-16,717,950.15-9,672,249.78

Finding the Fourth Proportional to 12,102,604.50, 16,717,950.15 and 9,672,249.78

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Solution

The fourth proportional to 12,102,604.50, 16,717,950.15 and 9,672,249.78 is: 13,360,776.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102,604.50 : 16,717,950.15 = 9,672,249.78 : x
  2. Step 2: Convert to fraction form
    12,102,604.50/16,717,950.15 = 9,672,249.78/x
  3. Step 3: Cross multiply
    12,102,604.50x = 16,717,950.15 × 9,672,249.78
  4. Step 4: Simplify right side
    12,102,604.50x = 161,700,189,660,388.47
  5. Step 5: Solve for x
    x = 161,700,189,660,388.47/12,102,604.50
  6. Step 6: Final answer
    x = 13,360,776.16

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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.