Home / 11,787,499.35-17,683,390.67-4,870,995.21

Finding the Fourth Proportional to 11,787,499.35, 17,683,390.67 and 4,870,995.21

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Solution

The fourth proportional to 11,787,499.35, 17,683,390.67 and 4,870,995.21 is: 7,307,377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787,499.35 : 17,683,390.67 = 4,870,995.21 : x
  2. Step 2: Convert to fraction form
    11,787,499.35/17,683,390.67 = 4,870,995.21/x
  3. Step 3: Cross multiply
    11,787,499.35x = 17,683,390.67 × 4,870,995.21
  4. Step 4: Simplify right side
    11,787,499.35x = 86,135,711,225,773.70
  5. Step 5: Solve for x
    x = 86,135,711,225,773.70/11,787,499.35
  6. Step 6: Final answer
    x = 7,307,377.81

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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.