Home / 15,257,471.34-21,056,490.82-8,733,147.60

Finding the Fourth Proportional to 15,257,471.34, 21,056,490.82 and 8,733,147.60

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Solution

The fourth proportional to 15,257,471.34, 21,056,490.82 and 8,733,147.60 is: 12,052,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257,471.34 : 21,056,490.82 = 8,733,147.60 : x
  2. Step 2: Convert to fraction form
    15,257,471.34/21,056,490.82 = 8,733,147.60/x
  3. Step 3: Cross multiply
    15,257,471.34x = 21,056,490.82 × 8,733,147.60
  4. Step 4: Simplify right side
    15,257,471.34x = 183,889,442,269,105.03
  5. Step 5: Solve for x
    x = 183,889,442,269,105.03/15,257,471.34
  6. Step 6: Final answer
    x = 12,052,419.31

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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.