Home / 11,198,946.40-16,756,429.20-10,191,176.80

Finding the Fourth Proportional to 11,198,946.40, 16,756,429.20 and 10,191,176.80

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Solution

The fourth proportional to 11,198,946.40, 16,756,429.20 and 10,191,176.80 is: 15,248,553.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198,946.40 : 16,756,429.20 = 10,191,176.80 : x
  2. Step 2: Convert to fraction form
    11,198,946.40/16,756,429.20 = 10,191,176.80/x
  3. Step 3: Cross multiply
    11,198,946.40x = 16,756,429.20 × 10,191,176.80
  4. Step 4: Simplify right side
    11,198,946.40x = 170,767,732,513,882.56
  5. Step 5: Solve for x
    x = 170,767,732,513,882.56/11,198,946.40
  6. Step 6: Final answer
    x = 15,248,553.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.