Home / 20,737,179.20-31,090,216.80-10,647,041.60

Finding the Fourth Proportional to 20,737,179.20, 31,090,216.80 and 10,647,041.60

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Solution

The fourth proportional to 20,737,179.20, 31,090,216.80 and 10,647,041.60 is: 15,962,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,179.20 : 31,090,216.80 = 10,647,041.60 : x
  2. Step 2: Convert to fraction form
    20,737,179.20/31,090,216.80 = 10,647,041.60/x
  3. Step 3: Cross multiply
    20,737,179.20x = 31,090,216.80 × 10,647,041.60
  4. Step 4: Simplify right side
    20,737,179.20x = 331,018,831,622,618.88
  5. Step 5: Solve for x
    x = 331,018,831,622,618.88/20,737,179.20
  6. Step 6: Final answer
    x = 15,962,577.57

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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.