Home / 12,003,520.65-16,564,857.21-6,496,894.50

Finding the Fourth Proportional to 12,003,520.65, 16,564,857.21 and 6,496,894.50

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Solution

The fourth proportional to 12,003,520.65, 16,564,857.21 and 6,496,894.50 is: 8,965,713.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003,520.65 : 16,564,857.21 = 6,496,894.50 : x
  2. Step 2: Convert to fraction form
    12,003,520.65/16,564,857.21 = 6,496,894.50/x
  3. Step 3: Cross multiply
    12,003,520.65x = 16,564,857.21 × 6,496,894.50
  4. Step 4: Simplify right side
    12,003,520.65x = 107,620,129,700,934.34
  5. Step 5: Solve for x
    x = 107,620,129,700,934.34/12,003,520.65
  6. Step 6: Final answer
    x = 8,965,713.71

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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.