Home / 18,928,203.46-26,120,939.27-10,226,382.98

Finding the Fourth Proportional to 18,928,203.46, 26,120,939.27 and 10,226,382.98

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Solution

The fourth proportional to 18,928,203.46, 26,120,939.27 and 10,226,382.98 is: 14,112,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,928,203.46 : 26,120,939.27 = 10,226,382.98 : x
  2. Step 2: Convert to fraction form
    18,928,203.46/26,120,939.27 = 10,226,382.98/x
  3. Step 3: Cross multiply
    18,928,203.46x = 26,120,939.27 × 10,226,382.98
  4. Step 4: Simplify right side
    18,928,203.46x = 267,122,728,590,605
  5. Step 5: Solve for x
    x = 267,122,728,590,605/18,928,203.46
  6. Step 6: Final answer
    x = 14,112,418.50

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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.