Home / 11,963,982.72-16,510,212-6,531,474.72

Finding the Fourth Proportional to 11,963,982.72, 16,510,212 and 6,531,474.72

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Solution

The fourth proportional to 11,963,982.72, 16,510,212 and 6,531,474.72 is: 9,013,389.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963,982.72 : 16,510,212 = 6,531,474.72 : x
  2. Step 2: Convert to fraction form
    11,963,982.72/16,510,212 = 6,531,474.72/x
  3. Step 3: Cross multiply
    11,963,982.72x = 16,510,212 × 6,531,474.72
  4. Step 4: Simplify right side
    11,963,982.72x = 107,836,032,299,840.64
  5. Step 5: Solve for x
    x = 107,836,032,299,840.64/11,963,982.72
  6. Step 6: Final answer
    x = 9,013,389.17

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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.