Home / 7,803,012.72-11,703,336.48-2,123,679.60

Finding the Fourth Proportional to 7,803,012.72, 11,703,336.48 and 2,123,679.60

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Solution

The fourth proportional to 7,803,012.72, 11,703,336.48 and 2,123,679.60 is: 3,185,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803,012.72 : 11,703,336.48 = 2,123,679.60 : x
  2. Step 2: Convert to fraction form
    7,803,012.72/11,703,336.48 = 2,123,679.60/x
  3. Step 3: Cross multiply
    7,803,012.72x = 11,703,336.48 × 2,123,679.60
  4. Step 4: Simplify right side
    7,803,012.72x = 24,854,136,934,511.81
  5. Step 5: Solve for x
    x = 24,854,136,934,511.81/7,803,012.72
  6. Step 6: Final answer
    x = 3,185,197.54

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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.