Home / 13,564,367.95-18,714,197.82-8,405,847.31

Finding the Fourth Proportional to 13,564,367.95, 18,714,197.82 and 8,405,847.31

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Solution

The fourth proportional to 13,564,367.95, 18,714,197.82 and 8,405,847.31 is: 11,597,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,367.95 : 18,714,197.82 = 8,405,847.31 : x
  2. Step 2: Convert to fraction form
    13,564,367.95/18,714,197.82 = 8,405,847.31/x
  3. Step 3: Cross multiply
    13,564,367.95x = 18,714,197.82 × 8,405,847.31
  4. Step 4: Simplify right side
    13,564,367.95x = 157,308,689,404,054.88
  5. Step 5: Solve for x
    x = 157,308,689,404,054.88/13,564,367.95
  6. Step 6: Final answer
    x = 11,597,200.10

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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.