Home / 21,336,608.28-29,444,702.94-12,169,715.16

Finding the Fourth Proportional to 21,336,608.28, 29,444,702.94 and 12,169,715.16

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Solution

The fourth proportional to 21,336,608.28, 29,444,702.94 and 12,169,715.16 is: 16,794,311.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,336,608.28 : 29,444,702.94 = 12,169,715.16 : x
  2. Step 2: Convert to fraction form
    21,336,608.28/29,444,702.94 = 12,169,715.16/x
  3. Step 3: Cross multiply
    21,336,608.28x = 29,444,702.94 × 12,169,715.16
  4. Step 4: Simplify right side
    21,336,608.28x = 358,333,647,750,614.56
  5. Step 5: Solve for x
    x = 358,333,647,750,614.56/21,336,608.28
  6. Step 6: Final answer
    x = 16,794,311.59

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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.