Home / 7,786,049.40-10,666,709.49-7,494,945.72

Finding the Fourth Proportional to 7,786,049.40, 10,666,709.49 and 7,494,945.72

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Solution

The fourth proportional to 7,786,049.40, 10,666,709.49 and 7,494,945.72 is: 10,267,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786,049.40 : 10,666,709.49 = 7,494,945.72 : x
  2. Step 2: Convert to fraction form
    7,786,049.40/10,666,709.49 = 7,494,945.72/x
  3. Step 3: Cross multiply
    7,786,049.40x = 10,666,709.49 × 7,494,945.72
  4. Step 4: Simplify right side
    7,786,049.40x = 79,946,408,638,558.88
  5. Step 5: Solve for x
    x = 79,946,408,638,558.88/7,786,049.40
  6. Step 6: Final answer
    x = 10,267,904.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.