Home / 18,916,995.14-28,271,839.27-13,810,179.24

Finding the Fourth Proportional to 18,916,995.14, 28,271,839.27 and 13,810,179.24

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Solution

The fourth proportional to 18,916,995.14, 28,271,839.27 and 13,810,179.24 is: 20,639,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916,995.14 : 28,271,839.27 = 13,810,179.24 : x
  2. Step 2: Convert to fraction form
    18,916,995.14/28,271,839.27 = 13,810,179.24/x
  3. Step 3: Cross multiply
    18,916,995.14x = 28,271,839.27 × 13,810,179.24
  4. Step 4: Simplify right side
    18,916,995.14x = 390,439,167,763,170.75
  5. Step 5: Solve for x
    x = 390,439,167,763,170.75/18,916,995.14
  6. Step 6: Final answer
    x = 20,639,597.61

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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.