Home / 20,036,822.87-27,650,868.80-10,869,465.62

Finding the Fourth Proportional to 20,036,822.87, 27,650,868.80 and 10,869,465.62

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Solution

The fourth proportional to 20,036,822.87, 27,650,868.80 and 10,869,465.62 is: 14,999,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036,822.87 : 27,650,868.80 = 10,869,465.62 : x
  2. Step 2: Convert to fraction form
    20,036,822.87/27,650,868.80 = 10,869,465.62/x
  3. Step 3: Cross multiply
    20,036,822.87x = 27,650,868.80 × 10,869,465.62
  4. Step 4: Simplify right side
    20,036,822.87x = 300,550,167,784,730.62
  5. Step 5: Solve for x
    x = 300,550,167,784,730.62/20,036,822.87
  6. Step 6: Final answer
    x = 14,999,891.44

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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.