Home / 18,569,190-25,625,574.96-11,603,912.16

Finding the Fourth Proportional to 18,569,190, 25,625,574.96 and 11,603,912.16

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Solution

The fourth proportional to 18,569,190, 25,625,574.96 and 11,603,912.16 is: 16,013,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569,190 : 25,625,574.96 = 11,603,912.16 : x
  2. Step 2: Convert to fraction form
    18,569,190/25,625,574.96 = 11,603,912.16/x
  3. Step 3: Cross multiply
    18,569,190x = 25,625,574.96 × 11,603,912.16
  4. Step 4: Simplify right side
    18,569,190x = 297,356,920,885,335.50
  5. Step 5: Solve for x
    x = 297,356,920,885,335.50/18,569,190
  6. Step 6: Final answer
    x = 16,013,456.75

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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.