Home / 12,945,127.14-19,311,589.49-12,593,268.90

Finding the Fourth Proportional to 12,945,127.14, 19,311,589.49 and 12,593,268.90

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Solution

The fourth proportional to 12,945,127.14, 19,311,589.49 and 12,593,268.90 is: 18,786,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,945,127.14 : 19,311,589.49 = 12,593,268.90 : x
  2. Step 2: Convert to fraction form
    12,945,127.14/19,311,589.49 = 12,593,268.90/x
  3. Step 3: Cross multiply
    12,945,127.14x = 19,311,589.49 × 12,593,268.90
  4. Step 4: Simplify right side
    12,945,127.14x = 243,196,039,271,017.53
  5. Step 5: Solve for x
    x = 243,196,039,271,017.53/12,945,127.14
  6. Step 6: Final answer
    x = 18,786,686.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.