Home / 15,711,491.44-21,682,715.88-8,836,379.92

Finding the Fourth Proportional to 15,711,491.44, 21,682,715.88 and 8,836,379.92

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Solution

The fourth proportional to 15,711,491.44, 21,682,715.88 and 8,836,379.92 is: 12,194,686.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711,491.44 : 21,682,715.88 = 8,836,379.92 : x
  2. Step 2: Convert to fraction form
    15,711,491.44/21,682,715.88 = 8,836,379.92/x
  3. Step 3: Cross multiply
    15,711,491.44x = 21,682,715.88 × 8,836,379.92
  4. Step 4: Simplify right side
    15,711,491.44x = 191,596,715,213,097.12
  5. Step 5: Solve for x
    x = 191,596,715,213,097.12/15,711,491.44
  6. Step 6: Final answer
    x = 12,194,686.67

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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.