Home / 20,658,816-30,993,200.64-6,475,392

Finding the Fourth Proportional to 20,658,816, 30,993,200.64 and 6,475,392

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Solution

The fourth proportional to 20,658,816, 30,993,200.64 and 6,475,392 is: 9,714,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,658,816 : 30,993,200.64 = 6,475,392 : x
  2. Step 2: Convert to fraction form
    20,658,816/30,993,200.64 = 6,475,392/x
  3. Step 3: Cross multiply
    20,658,816x = 30,993,200.64 × 6,475,392
  4. Step 4: Simplify right side
    20,658,816x = 200,693,123,478,650.88
  5. Step 5: Solve for x
    x = 200,693,123,478,650.88/20,658,816
  6. Step 6: Final answer
    x = 9,714,647.90

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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.