Home / 13,832,981.20-20,749,471.80-7,114,517.20

Finding the Fourth Proportional to 13,832,981.20, 20,749,471.80 and 7,114,517.20

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Solution

The fourth proportional to 13,832,981.20, 20,749,471.80 and 7,114,517.20 is: 10,671,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832,981.20 : 20,749,471.80 = 7,114,517.20 : x
  2. Step 2: Convert to fraction form
    13,832,981.20/20,749,471.80 = 7,114,517.20/x
  3. Step 3: Cross multiply
    13,832,981.20x = 20,749,471.80 × 7,114,517.20
  4. Step 4: Simplify right side
    13,832,981.20x = 147,622,474,012,014.97
  5. Step 5: Solve for x
    x = 147,622,474,012,014.97/13,832,981.20
  6. Step 6: Final answer
    x = 10,671,775.80

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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.