Home / 13,609,121.60-20,413,682.40-12,014,798.60

Finding the Fourth Proportional to 13,609,121.60, 20,413,682.40 and 12,014,798.60

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Solution

The fourth proportional to 13,609,121.60, 20,413,682.40 and 12,014,798.60 is: 18,022,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,121.60 : 20,413,682.40 = 12,014,798.60 : x
  2. Step 2: Convert to fraction form
    13,609,121.60/20,413,682.40 = 12,014,798.60/x
  3. Step 3: Cross multiply
    13,609,121.60x = 20,413,682.40 × 12,014,798.60
  4. Step 4: Simplify right side
    13,609,121.60x = 245,266,282,720,364.62
  5. Step 5: Solve for x
    x = 245,266,282,720,364.62/13,609,121.60
  6. Step 6: Final answer
    x = 18,022,197.90

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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.