Home / 21,096,348.53-31,645,747.44-8,142,571.17

Finding the Fourth Proportional to 21,096,348.53, 31,645,747.44 and 8,142,571.17

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Solution

The fourth proportional to 21,096,348.53, 31,645,747.44 and 8,142,571.17 is: 12,214,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,096,348.53 : 31,645,747.44 = 8,142,571.17 : x
  2. Step 2: Convert to fraction form
    21,096,348.53/31,645,747.44 = 8,142,571.17/x
  3. Step 3: Cross multiply
    21,096,348.53x = 31,645,747.44 × 8,142,571.17
  4. Step 4: Simplify right side
    21,096,348.53x = 257,677,750,758,045.31
  5. Step 5: Solve for x
    x = 257,677,750,758,045.31/21,096,348.53
  6. Step 6: Final answer
    x = 12,214,329.43

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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.