Home / 18,614,928.60-27,922,392.90-5,151,756.60

Finding the Fourth Proportional to 18,614,928.60, 27,922,392.90 and 5,151,756.60

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Solution

The fourth proportional to 18,614,928.60, 27,922,392.90 and 5,151,756.60 is: 7,727,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614,928.60 : 27,922,392.90 = 5,151,756.60 : x
  2. Step 2: Convert to fraction form
    18,614,928.60/27,922,392.90 = 5,151,756.60/x
  3. Step 3: Cross multiply
    18,614,928.60x = 27,922,392.90 × 5,151,756.60
  4. Step 4: Simplify right side
    18,614,928.60x = 143,849,371,910,368.12
  5. Step 5: Solve for x
    x = 143,849,371,910,368.12/18,614,928.60
  6. Step 6: Final answer
    x = 7,727,634.90

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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.