Home / 21,096,737.34-31,646,330.73-8,142,961.38

Finding the Fourth Proportional to 21,096,737.34, 31,646,330.73 and 8,142,961.38

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Solution

The fourth proportional to 21,096,737.34, 31,646,330.73 and 8,142,961.38 is: 12,214,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,096,737.34 : 31,646,330.73 = 8,142,961.38 : x
  2. Step 2: Convert to fraction form
    21,096,737.34/31,646,330.73 = 8,142,961.38/x
  3. Step 3: Cross multiply
    21,096,737.34x = 31,646,330.73 × 8,142,961.38
  4. Step 4: Simplify right side
    21,096,737.34x = 257,694,848,953,097.22
  5. Step 5: Solve for x
    x = 257,694,848,953,097.22/21,096,737.34
  6. Step 6: Final answer
    x = 12,214,914.79

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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.