Home / 18,543,719.69-27,815,247.03-7,611,535.45

Finding the Fourth Proportional to 18,543,719.69, 27,815,247.03 and 7,611,535.45

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Solution

The fourth proportional to 18,543,719.69, 27,815,247.03 and 7,611,535.45 is: 11,417,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543,719.69 : 27,815,247.03 = 7,611,535.45 : x
  2. Step 2: Convert to fraction form
    18,543,719.69/27,815,247.03 = 7,611,535.45/x
  3. Step 3: Cross multiply
    18,543,719.69x = 27,815,247.03 × 7,611,535.45
  4. Step 4: Simplify right side
    18,543,719.69x = 211,716,738,882,664.53
  5. Step 5: Solve for x
    x = 211,716,738,882,664.53/18,543,719.69
  6. Step 6: Final answer
    x = 11,417,166.70

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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.