Home / 20,548,023.57-28,352,940.40-12,291,497.55

Finding the Fourth Proportional to 20,548,023.57, 28,352,940.40 and 12,291,497.55

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Solution

The fourth proportional to 20,548,023.57, 28,352,940.40 and 12,291,497.55 is: 16,960,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548,023.57 : 28,352,940.40 = 12,291,497.55 : x
  2. Step 2: Convert to fraction form
    20,548,023.57/28,352,940.40 = 12,291,497.55/x
  3. Step 3: Cross multiply
    20,548,023.57x = 28,352,940.40 × 12,291,497.55
  4. Step 4: Simplify right side
    20,548,023.57x = 348,500,097,400,438.56
  5. Step 5: Solve for x
    x = 348,500,097,400,438.56/20,548,023.57
  6. Step 6: Final answer
    x = 16,960,273.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.