Home / 18,963,769.59-26,160,361.87-11,519,456.53

Finding the Fourth Proportional to 18,963,769.59, 26,160,361.87 and 11,519,456.53

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Solution

The fourth proportional to 18,963,769.59, 26,160,361.87 and 11,519,456.53 is: 15,890,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963,769.59 : 26,160,361.87 = 11,519,456.53 : x
  2. Step 2: Convert to fraction form
    18,963,769.59/26,160,361.87 = 11,519,456.53/x
  3. Step 3: Cross multiply
    18,963,769.59x = 26,160,361.87 × 11,519,456.53
  4. Step 4: Simplify right side
    18,963,769.59x = 301,353,151,305,133.62
  5. Step 5: Solve for x
    x = 301,353,151,305,133.62/18,963,769.59
  6. Step 6: Final answer
    x = 15,890,994.13

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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.