Home / 6,443,521.43-8,892,092.67-3,543,099.35

Finding the Fourth Proportional to 6,443,521.43, 8,892,092.67 and 3,543,099.35

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Solution

The fourth proportional to 6,443,521.43, 8,892,092.67 and 3,543,099.35 is: 4,889,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443,521.43 : 8,892,092.67 = 3,543,099.35 : x
  2. Step 2: Convert to fraction form
    6,443,521.43/8,892,092.67 = 3,543,099.35/x
  3. Step 3: Cross multiply
    6,443,521.43x = 8,892,092.67 × 3,543,099.35
  4. Step 4: Simplify right side
    6,443,521.43x = 31,505,567,759,216.77
  5. Step 5: Solve for x
    x = 31,505,567,759,216.77/6,443,521.43
  6. Step 6: Final answer
    x = 4,889,495.30

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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.