Home / 12,482,821.80-18,724,232.70-11,039,596.20

Finding the Fourth Proportional to 12,482,821.80, 18,724,232.70 and 11,039,596.20

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Solution

The fourth proportional to 12,482,821.80, 18,724,232.70 and 11,039,596.20 is: 16,559,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,821.80 : 18,724,232.70 = 11,039,596.20 : x
  2. Step 2: Convert to fraction form
    12,482,821.80/18,724,232.70 = 11,039,596.20/x
  3. Step 3: Cross multiply
    12,482,821.80x = 18,724,232.70 × 11,039,596.20
  4. Step 4: Simplify right side
    12,482,821.80x = 206,707,968,162,835.72
  5. Step 5: Solve for x
    x = 206,707,968,162,835.72/12,482,821.80
  6. Step 6: Final answer
    x = 16,559,394.30

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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.