Home / 13,429,337.20-20,148,993.44-9,328,497.54

Finding the Fourth Proportional to 13,429,337.20, 20,148,993.44 and 9,328,497.54

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Solution

The fourth proportional to 13,429,337.20, 20,148,993.44 and 9,328,497.54 is: 13,996,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429,337.20 : 20,148,993.44 = 9,328,497.54 : x
  2. Step 2: Convert to fraction form
    13,429,337.20/20,148,993.44 = 9,328,497.54/x
  3. Step 3: Cross multiply
    13,429,337.20x = 20,148,993.44 × 9,328,497.54
  4. Step 4: Simplify right side
    13,429,337.20x = 187,959,835,738,516.12
  5. Step 5: Solve for x
    x = 187,959,835,738,516.12/13,429,337.20
  6. Step 6: Final answer
    x = 13,996,210.90

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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.