Home / 20,185,993.53-30,268,350.54-8,813,156.13

Finding the Fourth Proportional to 20,185,993.53, 30,268,350.54 and 8,813,156.13

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Solution

The fourth proportional to 20,185,993.53, 30,268,350.54 and 8,813,156.13 is: 13,215,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,993.53 : 30,268,350.54 = 8,813,156.13 : x
  2. Step 2: Convert to fraction form
    20,185,993.53/30,268,350.54 = 8,813,156.13/x
  3. Step 3: Cross multiply
    20,185,993.53x = 30,268,350.54 × 8,813,156.13
  4. Step 4: Simplify right side
    20,185,993.53x = 266,759,699,106,589.81
  5. Step 5: Solve for x
    x = 266,759,699,106,589.81/20,185,993.53
  6. Step 6: Final answer
    x = 13,215,088.90

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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.