Home / 10,941,406.56-16,397,438.70-8,515,488.64

Finding the Fourth Proportional to 10,941,406.56, 16,397,438.70 and 8,515,488.64

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Solution

The fourth proportional to 10,941,406.56, 16,397,438.70 and 8,515,488.64 is: 12,761,814.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941,406.56 : 16,397,438.70 = 8,515,488.64 : x
  2. Step 2: Convert to fraction form
    10,941,406.56/16,397,438.70 = 8,515,488.64/x
  3. Step 3: Cross multiply
    10,941,406.56x = 16,397,438.70 × 8,515,488.64
  4. Step 4: Simplify right side
    10,941,406.56x = 139,632,202,974,946.38
  5. Step 5: Solve for x
    x = 139,632,202,974,946.38/10,941,406.56
  6. Step 6: Final answer
    x = 12,761,814.69

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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.