Home / 18,586,969.76-25,629,340.46-12,707,561.98

Finding the Fourth Proportional to 18,586,969.76, 25,629,340.46 and 12,707,561.98

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Solution

The fourth proportional to 18,586,969.76, 25,629,340.46 and 12,707,561.98 is: 17,522,298.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586,969.76 : 25,629,340.46 = 12,707,561.98 : x
  2. Step 2: Convert to fraction form
    18,586,969.76/25,629,340.46 = 12,707,561.98/x
  3. Step 3: Cross multiply
    18,586,969.76x = 25,629,340.46 × 12,707,561.98
  4. Step 4: Simplify right side
    18,586,969.76x = 325,686,432,441,950.62
  5. Step 5: Solve for x
    x = 325,686,432,441,950.62/18,586,969.76
  6. Step 6: Final answer
    x = 17,522,298.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.