Home / 13,435,438.28-20,149,253.07-5,236,255.68

Finding the Fourth Proportional to 13,435,438.28, 20,149,253.07 and 5,236,255.68

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Solution

The fourth proportional to 13,435,438.28, 20,149,253.07 and 5,236,255.68 is: 7,852,861.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435,438.28 : 20,149,253.07 = 5,236,255.68 : x
  2. Step 2: Convert to fraction form
    13,435,438.28/20,149,253.07 = 5,236,255.68/x
  3. Step 3: Cross multiply
    13,435,438.28x = 20,149,253.07 × 5,236,255.68
  4. Step 4: Simplify right side
    13,435,438.28x = 105,506,640,835,544.94
  5. Step 5: Solve for x
    x = 105,506,640,835,544.94/13,435,438.28
  6. Step 6: Final answer
    x = 7,852,861.86

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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.