Home / 34,993,836.80-52,498,628.40-20,609,500.40

Finding the Fourth Proportional to 34,993,836.80, 52,498,628.40 and 20,609,500.40

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Solution

The fourth proportional to 34,993,836.80, 52,498,628.40 and 20,609,500.40 is: 30,918,887.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,993,836.80 : 52,498,628.40 = 20,609,500.40 : x
  2. Step 2: Convert to fraction form
    34,993,836.80/52,498,628.40 = 20,609,500.40/x
  3. Step 3: Cross multiply
    34,993,836.80x = 52,498,628.40 × 20,609,500.40
  4. Step 4: Simplify right side
    34,993,836.80x = 1,081,970,503,009,251.25
  5. Step 5: Solve for x
    x = 1,081,970,503,009,251.25/34,993,836.80
  6. Step 6: Final answer
    x = 30,918,887.49

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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.