Home / 15,530,413-21,430,989.04-8,560,706.44

Finding the Fourth Proportional to 15,530,413, 21,430,989.04 and 8,560,706.44

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Solution

The fourth proportional to 15,530,413, 21,430,989.04 and 8,560,706.44 is: 11,813,234.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530,413 : 21,430,989.04 = 8,560,706.44 : x
  2. Step 2: Convert to fraction form
    15,530,413/21,430,989.04 = 8,560,706.44/x
  3. Step 3: Cross multiply
    15,530,413x = 21,430,989.04 × 8,560,706.44
  4. Step 4: Simplify right side
    15,530,413x = 183,464,405,890,297.41
  5. Step 5: Solve for x
    x = 183,464,405,890,297.41/15,530,413
  6. Step 6: Final answer
    x = 11,813,234.19

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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.