Home / 11,170,816.80-16,756,225.20-6,919,288.80

Finding the Fourth Proportional to 11,170,816.80, 16,756,225.20 and 6,919,288.80

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Solution

The fourth proportional to 11,170,816.80, 16,756,225.20 and 6,919,288.80 is: 10,378,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170,816.80 : 16,756,225.20 = 6,919,288.80 : x
  2. Step 2: Convert to fraction form
    11,170,816.80/16,756,225.20 = 6,919,288.80/x
  3. Step 3: Cross multiply
    11,170,816.80x = 16,756,225.20 × 6,919,288.80
  4. Step 4: Simplify right side
    11,170,816.80x = 115,941,161,356,637.75
  5. Step 5: Solve for x
    x = 115,941,161,356,637.75/11,170,816.80
  6. Step 6: Final answer
    x = 10,378,933.20

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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.