Home / 13,565,277.70-20,347,916.55-12,289,819.30

Finding the Fourth Proportional to 13,565,277.70, 20,347,916.55 and 12,289,819.30

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Solution

The fourth proportional to 13,565,277.70, 20,347,916.55 and 12,289,819.30 is: 18,434,728.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565,277.70 : 20,347,916.55 = 12,289,819.30 : x
  2. Step 2: Convert to fraction form
    13,565,277.70/20,347,916.55 = 12,289,819.30/x
  3. Step 3: Cross multiply
    13,565,277.70x = 20,347,916.55 × 12,289,819.30
  4. Step 4: Simplify right side
    13,565,277.70x = 250,072,217,530,979.44
  5. Step 5: Solve for x
    x = 250,072,217,530,979.44/13,565,277.70
  6. Step 6: Final answer
    x = 18,434,728.95

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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.