Home / 11,900,001.25-17,850,000.30-7,855,541.43

Finding the Fourth Proportional to 11,900,001.25, 17,850,000.30 and 7,855,541.43

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Solution

The fourth proportional to 11,900,001.25, 17,850,000.30 and 7,855,541.43 is: 11,783,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900,001.25 : 17,850,000.30 = 7,855,541.43 : x
  2. Step 2: Convert to fraction form
    11,900,001.25/17,850,000.30 = 7,855,541.43/x
  3. Step 3: Cross multiply
    11,900,001.25x = 17,850,000.30 × 7,855,541.43
  4. Step 4: Simplify right side
    11,900,001.25x = 140,221,416,882,162.42
  5. Step 5: Solve for x
    x = 140,221,416,882,162.42/11,900,001.25
  6. Step 6: Final answer
    x = 11,783,311.11

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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.