Home / 21,100,747.84-31,646,693.01-5,951,136.40

Finding the Fourth Proportional to 21,100,747.84, 31,646,693.01 and 5,951,136.40

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Solution

The fourth proportional to 21,100,747.84, 31,646,693.01 and 5,951,136.40 is: 8,925,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,100,747.84 : 31,646,693.01 = 5,951,136.40 : x
  2. Step 2: Convert to fraction form
    21,100,747.84/31,646,693.01 = 5,951,136.40/x
  3. Step 3: Cross multiply
    21,100,747.84x = 31,646,693.01 × 5,951,136.40
  4. Step 4: Simplify right side
    21,100,747.84x = 188,333,786,654,636.59
  5. Step 5: Solve for x
    x = 188,333,786,654,636.59/21,100,747.84
  6. Step 6: Final answer
    x = 8,925,455.54

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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.