Home / 12,219,623.88-16,861,206.42-7,061,989.38

Finding the Fourth Proportional to 12,219,623.88, 16,861,206.42 and 7,061,989.38

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Solution

The fourth proportional to 12,219,623.88, 16,861,206.42 and 7,061,989.38 is: 9,744,462.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,623.88 : 16,861,206.42 = 7,061,989.38 : x
  2. Step 2: Convert to fraction form
    12,219,623.88/16,861,206.42 = 7,061,989.38/x
  3. Step 3: Cross multiply
    12,219,623.88x = 16,861,206.42 × 7,061,989.38
  4. Step 4: Simplify right side
    12,219,623.88x = 119,073,660,672,027.83
  5. Step 5: Solve for x
    x = 119,073,660,672,027.83/12,219,623.88
  6. Step 6: Final answer
    x = 9,744,462.01

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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.