Home / 6,840,552.76-9,437,670.66-3,939,885.56

Finding the Fourth Proportional to 6,840,552.76, 9,437,670.66 and 3,939,885.56

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Solution

The fourth proportional to 6,840,552.76, 9,437,670.66 and 3,939,885.56 is: 5,435,721.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840,552.76 : 9,437,670.66 = 3,939,885.56 : x
  2. Step 2: Convert to fraction form
    6,840,552.76/9,437,670.66 = 3,939,885.56/x
  3. Step 3: Cross multiply
    6,840,552.76x = 9,437,670.66 × 3,939,885.56
  4. Step 4: Simplify right side
    6,840,552.76x = 37,183,342,353,369.67
  5. Step 5: Solve for x
    x = 37,183,342,353,369.67/6,840,552.76
  6. Step 6: Final answer
    x = 5,435,721.89

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.