Home / 18,052,507.79-27,077,764.95-13,199,787.16

Finding the Fourth Proportional to 18,052,507.79, 27,077,764.95 and 13,199,787.16

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Solution

The fourth proportional to 18,052,507.79, 27,077,764.95 and 13,199,787.16 is: 19,798,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,052,507.79 : 27,077,764.95 = 13,199,787.16 : x
  2. Step 2: Convert to fraction form
    18,052,507.79/27,077,764.95 = 13,199,787.16/x
  3. Step 3: Cross multiply
    18,052,507.79x = 27,077,764.95 × 13,199,787.16
  4. Step 4: Simplify right side
    18,052,507.79x = 357,420,734,108,508.06
  5. Step 5: Solve for x
    x = 357,420,734,108,508.06/18,052,507.79
  6. Step 6: Final answer
    x = 19,798,951.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.