Home / 21,307,829.84-31,984,489.72-9,183,276.88

Finding the Fourth Proportional to 21,307,829.84, 31,984,489.72 and 9,183,276.88

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Solution

The fourth proportional to 21,307,829.84, 31,984,489.72 and 9,183,276.88 is: 13,784,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,307,829.84 : 31,984,489.72 = 9,183,276.88 : x
  2. Step 2: Convert to fraction form
    21,307,829.84/31,984,489.72 = 9,183,276.88/x
  3. Step 3: Cross multiply
    21,307,829.84x = 31,984,489.72 × 9,183,276.88
  4. Step 4: Simplify right side
    21,307,829.84x = 293,722,424,964,273.69
  5. Step 5: Solve for x
    x = 293,722,424,964,273.69/21,307,829.84
  6. Step 6: Final answer
    x = 13,784,717.97

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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.