Home / 17,007,697.20-25,511,545.80-15,519,662.40

Finding the Fourth Proportional to 17,007,697.20, 25,511,545.80 and 15,519,662.40

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Solution

The fourth proportional to 17,007,697.20, 25,511,545.80 and 15,519,662.40 is: 23,279,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,007,697.20 : 25,511,545.80 = 15,519,662.40 : x
  2. Step 2: Convert to fraction form
    17,007,697.20/25,511,545.80 = 15,519,662.40/x
  3. Step 3: Cross multiply
    17,007,697.20x = 25,511,545.80 × 15,519,662.40
  4. Step 4: Simplify right side
    17,007,697.20x = 395,930,578,118,137.94
  5. Step 5: Solve for x
    x = 395,930,578,118,137.94/17,007,697.20
  6. Step 6: Final answer
    x = 23,279,493.60

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1.5x scale

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.