Home / 18,916,236-26,104,435.92-10,767,474.72

Finding the Fourth Proportional to 18,916,236, 26,104,435.92 and 10,767,474.72

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Solution

The fourth proportional to 18,916,236, 26,104,435.92 and 10,767,474.72 is: 14,859,132.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916,236 : 26,104,435.92 = 10,767,474.72 : x
  2. Step 2: Convert to fraction form
    18,916,236/26,104,435.92 = 10,767,474.72/x
  3. Step 3: Cross multiply
    18,916,236x = 26,104,435.92 × 10,767,474.72
  4. Step 4: Simplify right side
    18,916,236x = 281,078,853,848,459.97
  5. Step 5: Solve for x
    x = 281,078,853,848,459.97/18,916,236
  6. Step 6: Final answer
    x = 14,859,132.33

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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.