Home / 22,605,752.96-31,194,989.84-12,816,855.84

Finding the Fourth Proportional to 22,605,752.96, 31,194,989.84 and 12,816,855.84

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Solution

The fourth proportional to 22,605,752.96, 31,194,989.84 and 12,816,855.84 is: 17,686,722.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,605,752.96 : 31,194,989.84 = 12,816,855.84 : x
  2. Step 2: Convert to fraction form
    22,605,752.96/31,194,989.84 = 12,816,855.84/x
  3. Step 3: Cross multiply
    22,605,752.96x = 31,194,989.84 × 12,816,855.84
  4. Step 4: Simplify right side
    22,605,752.96x = 399,821,687,709,544.69
  5. Step 5: Solve for x
    x = 399,821,687,709,544.69/22,605,752.96
  6. Step 6: Final answer
    x = 17,686,722.86

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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.