Home / 12,963,936.61-17,890,593.42-7,163,092.18

Finding the Fourth Proportional to 12,963,936.61, 17,890,593.42 and 7,163,092.18

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Solution

The fourth proportional to 12,963,936.61, 17,890,593.42 and 7,163,092.18 is: 9,885,266.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963,936.61 : 17,890,593.42 = 7,163,092.18 : x
  2. Step 2: Convert to fraction form
    12,963,936.61/17,890,593.42 = 7,163,092.18/x
  3. Step 3: Cross multiply
    12,963,936.61x = 17,890,593.42 × 7,163,092.18
  4. Step 4: Simplify right side
    12,963,936.61x = 128,151,969,822,361.47
  5. Step 5: Solve for x
    x = 128,151,969,822,361.47/12,963,936.61
  6. Step 6: Final answer
    x = 9,885,266.62

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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.