Home / 13,438,611.20-20,157,989.70-3,341,232.20

Finding the Fourth Proportional to 13,438,611.20, 20,157,989.70 and 3,341,232.20

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Solution

The fourth proportional to 13,438,611.20, 20,157,989.70 and 3,341,232.20 is: 5,011,866.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,611.20 : 20,157,989.70 = 3,341,232.20 : x
  2. Step 2: Convert to fraction form
    13,438,611.20/20,157,989.70 = 3,341,232.20/x
  3. Step 3: Cross multiply
    13,438,611.20x = 20,157,989.70 × 3,341,232.20
  4. Step 4: Simplify right side
    13,438,611.20x = 67,352,524,272,908.34
  5. Step 5: Solve for x
    x = 67,352,524,272,908.34/13,438,611.20
  6. Step 6: Final answer
    x = 5,011,866.43

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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.