Home / 12,001,105.55-16,561,525.11-6,494,479.79

Finding the Fourth Proportional to 12,001,105.55, 16,561,525.11 and 6,494,479.79

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Solution

The fourth proportional to 12,001,105.55, 16,561,525.11 and 6,494,479.79 is: 8,962,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001,105.55 : 16,561,525.11 = 6,494,479.79 : x
  2. Step 2: Convert to fraction form
    12,001,105.55/16,561,525.11 = 6,494,479.79/x
  3. Step 3: Cross multiply
    12,001,105.55x = 16,561,525.11 × 6,494,479.79
  4. Step 4: Simplify right side
    12,001,105.55x = 107,558,490,011,310.59
  5. Step 5: Solve for x
    x = 107,558,490,011,310.59/12,001,105.55
  6. Step 6: Final answer
    x = 8,962,381.80

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1.5x scale

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.