Home / 20,803,563.80-31,144,520.10-14,831,595.80

Finding the Fourth Proportional to 20,803,563.80, 31,144,520.10 and 14,831,595.80

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Solution

The fourth proportional to 20,803,563.80, 31,144,520.10 and 14,831,595.80 is: 22,204,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803,563.80 : 31,144,520.10 = 14,831,595.80 : x
  2. Step 2: Convert to fraction form
    20,803,563.80/31,144,520.10 = 14,831,595.80/x
  3. Step 3: Cross multiply
    20,803,563.80x = 31,144,520.10 × 14,831,595.80
  4. Step 4: Simplify right side
    20,803,563.80x = 461,922,933,508,175.62
  5. Step 5: Solve for x
    x = 461,922,933,508,175.62/20,803,563.80
  6. Step 6: Final answer
    x = 22,204,028.98

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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.