Home / 12,097,582.20-18,146,520.90-3,578,090.85

Finding the Fourth Proportional to 12,097,582.20, 18,146,520.90 and 3,578,090.85

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Solution

The fourth proportional to 12,097,582.20, 18,146,520.90 and 3,578,090.85 is: 5,367,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,582.20 : 18,146,520.90 = 3,578,090.85 : x
  2. Step 2: Convert to fraction form
    12,097,582.20/18,146,520.90 = 3,578,090.85/x
  3. Step 3: Cross multiply
    12,097,582.20x = 18,146,520.90 × 3,578,090.85
  4. Step 4: Simplify right side
    12,097,582.20x = 64,929,900,391,623.76
  5. Step 5: Solve for x
    x = 64,929,900,391,623.76/12,097,582.20
  6. Step 6: Final answer
    x = 5,367,179.93

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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.