Home / 11,900,001.75-17,850,001.05-7,855,541.93

Finding the Fourth Proportional to 11,900,001.75, 17,850,001.05 and 7,855,541.93

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Solution

The fourth proportional to 11,900,001.75, 17,850,001.05 and 7,855,541.93 is: 11,783,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900,001.75 : 17,850,001.05 = 7,855,541.93 : x
  2. Step 2: Convert to fraction form
    11,900,001.75/17,850,001.05 = 7,855,541.93/x
  3. Step 3: Cross multiply
    11,900,001.75x = 17,850,001.05 × 7,855,541.93
  4. Step 4: Simplify right side
    11,900,001.75x = 140,221,431,609,569.03
  5. Step 5: Solve for x
    x = 140,221,431,609,569.03/11,900,001.75
  6. Step 6: Final answer
    x = 11,783,311.85

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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.