Home / 13,176,259.20-19,731,211.20-8,664,105.60

Finding the Fourth Proportional to 13,176,259.20, 19,731,211.20 and 8,664,105.60

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Solution

The fourth proportional to 13,176,259.20, 19,731,211.20 and 8,664,105.60 is: 12,974,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176,259.20 : 19,731,211.20 = 8,664,105.60 : x
  2. Step 2: Convert to fraction form
    13,176,259.20/19,731,211.20 = 8,664,105.60/x
  3. Step 3: Cross multiply
    13,176,259.20x = 19,731,211.20 × 8,664,105.60
  4. Step 4: Simplify right side
    13,176,259.20x = 170,953,297,452,702.72
  5. Step 5: Solve for x
    x = 170,953,297,452,702.72/13,176,259.20
  6. Step 6: Final answer
    x = 12,974,342.33

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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.