Home / 13,564,366.95-18,714,196.44-8,405,846.31

Finding the Fourth Proportional to 13,564,366.95, 18,714,196.44 and 8,405,846.31

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Solution

The fourth proportional to 13,564,366.95, 18,714,196.44 and 8,405,846.31 is: 11,597,198.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,366.95 : 18,714,196.44 = 8,405,846.31 : x
  2. Step 2: Convert to fraction form
    13,564,366.95/18,714,196.44 = 8,405,846.31/x
  3. Step 3: Cross multiply
    13,564,366.95x = 18,714,196.44 × 8,405,846.31
  4. Step 4: Simplify right side
    13,564,366.95x = 157,308,659,089,789.16
  5. Step 5: Solve for x
    x = 157,308,659,089,789.16/13,564,366.95
  6. Step 6: Final answer
    x = 11,597,198.72

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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.