Home / 13,494,403.42-20,209,427.76-8,621,380.14

Finding the Fourth Proportional to 13,494,403.42, 20,209,427.76 and 8,621,380.14

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Solution

The fourth proportional to 13,494,403.42, 20,209,427.76 and 8,621,380.14 is: 12,911,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,403.42 : 20,209,427.76 = 8,621,380.14 : x
  2. Step 2: Convert to fraction form
    13,494,403.42/20,209,427.76 = 8,621,380.14/x
  3. Step 3: Cross multiply
    13,494,403.42x = 20,209,427.76 × 8,621,380.14
  4. Step 4: Simplify right side
    13,494,403.42x = 174,233,159,152,556.28
  5. Step 5: Solve for x
    x = 174,233,159,152,556.28/13,494,403.42
  6. Step 6: Final answer
    x = 12,911,512.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.