Home / 13,815,129.60-20,685,369.60-10,829,145.60

Finding the Fourth Proportional to 13,815,129.60, 20,685,369.60 and 10,829,145.60

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Solution

The fourth proportional to 13,815,129.60, 20,685,369.60 and 10,829,145.60 is: 16,214,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815,129.60 : 20,685,369.60 = 10,829,145.60 : x
  2. Step 2: Convert to fraction form
    13,815,129.60/20,685,369.60 = 10,829,145.60/x
  3. Step 3: Cross multiply
    13,815,129.60x = 20,685,369.60 × 10,829,145.60
  4. Step 4: Simplify right side
    13,815,129.60x = 224,004,879,188,213.78
  5. Step 5: Solve for x
    x = 224,004,879,188,213.78/13,815,129.60
  6. Step 6: Final answer
    x = 16,214,460.93

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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.