Home / 28,969,425.40-43,454,138.10-19,395,614.20

Finding the Fourth Proportional to 28,969,425.40, 43,454,138.10 and 19,395,614.20

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Solution

The fourth proportional to 28,969,425.40, 43,454,138.10 and 19,395,614.20 is: 29,093,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,425.40 : 43,454,138.10 = 19,395,614.20 : x
  2. Step 2: Convert to fraction form
    28,969,425.40/43,454,138.10 = 19,395,614.20/x
  3. Step 3: Cross multiply
    28,969,425.40x = 43,454,138.10 × 19,395,614.20
  4. Step 4: Simplify right side
    28,969,425.40x = 842,819,697,981,121
  5. Step 5: Solve for x
    x = 842,819,697,981,121/28,969,425.40
  6. Step 6: Final answer
    x = 29,093,421.30

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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.