Home / 13,564,402.50-18,714,245.79-8,405,881.86

Finding the Fourth Proportional to 13,564,402.50, 18,714,245.79 and 8,405,881.86

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Solution

The fourth proportional to 13,564,402.50, 18,714,245.79 and 8,405,881.86 is: 11,597,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,402.50 : 18,714,245.79 = 8,405,881.86 : x
  2. Step 2: Convert to fraction form
    13,564,402.50/18,714,245.79 = 8,405,881.86/x
  3. Step 3: Cross multiply
    13,564,402.50x = 18,714,245.79 × 8,405,881.86
  4. Step 4: Simplify right side
    13,564,402.50x = 157,309,739,209,742.34
  5. Step 5: Solve for x
    x = 157,309,739,209,742.34/13,564,402.50
  6. Step 6: Final answer
    x = 11,597,247.96

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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.