Home / 7,886,432.20-11,829,648.30-5,193,797.80

Finding the Fourth Proportional to 7,886,432.20, 11,829,648.30 and 5,193,797.80

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Solution

The fourth proportional to 7,886,432.20, 11,829,648.30 and 5,193,797.80 is: 7,790,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886,432.20 : 11,829,648.30 = 5,193,797.80 : x
  2. Step 2: Convert to fraction form
    7,886,432.20/11,829,648.30 = 5,193,797.80/x
  3. Step 3: Cross multiply
    7,886,432.20x = 11,829,648.30 × 5,193,797.80
  4. Step 4: Simplify right side
    7,886,432.20x = 61,440,801,315,313.74
  5. Step 5: Solve for x
    x = 61,440,801,315,313.74/7,886,432.20
  6. Step 6: Final answer
    x = 7,790,696.70

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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.