Home / 12,076,561-16,665,654.18-6,643,936.36

Finding the Fourth Proportional to 12,076,561, 16,665,654.18 and 6,643,936.36

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Solution

The fourth proportional to 12,076,561, 16,665,654.18 and 6,643,936.36 is: 9,168,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076,561 : 16,665,654.18 = 6,643,936.36 : x
  2. Step 2: Convert to fraction form
    12,076,561/16,665,654.18 = 6,643,936.36/x
  3. Step 3: Cross multiply
    12,076,561x = 16,665,654.18 × 6,643,936.36
  4. Step 4: Simplify right side
    12,076,561x = 110,725,545,769,687.98
  5. Step 5: Solve for x
    x = 110,725,545,769,687.98/12,076,561
  6. Step 6: Final answer
    x = 9,168,632.18

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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.