Home / 12,116,864.44-16,721,003.82-6,684,355

Finding the Fourth Proportional to 12,116,864.44, 16,721,003.82 and 6,684,355

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Solution

The fourth proportional to 12,116,864.44, 16,721,003.82 and 6,684,355 is: 9,224,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116,864.44 : 16,721,003.82 = 6,684,355 : x
  2. Step 2: Convert to fraction form
    12,116,864.44/16,721,003.82 = 6,684,355/x
  3. Step 3: Cross multiply
    12,116,864.44x = 16,721,003.82 × 6,684,355
  4. Step 4: Simplify right side
    12,116,864.44x = 111,769,125,489,236.11
  5. Step 5: Solve for x
    x = 111,769,125,489,236.11/12,116,864.44
  6. Step 6: Final answer
    x = 9,224,261.45

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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.