Home / 20,520,941.43-28,318,462.24-11,228,474.14

Finding the Fourth Proportional to 20,520,941.43, 28,318,462.24 and 11,228,474.14

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Solution

The fourth proportional to 20,520,941.43, 28,318,462.24 and 11,228,474.14 is: 15,495,055.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,520,941.43 : 28,318,462.24 = 11,228,474.14 : x
  2. Step 2: Convert to fraction form
    20,520,941.43/28,318,462.24 = 11,228,474.14/x
  3. Step 3: Cross multiply
    20,520,941.43x = 28,318,462.24 × 11,228,474.14
  4. Step 4: Simplify right side
    20,520,941.43x = 317,973,120,946,406.50
  5. Step 5: Solve for x
    x = 317,973,120,946,406.50/20,520,941.43
  6. Step 6: Final answer
    x = 15,495,055.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.