Home / 19,265,986.62-28,905,404.10-12,814,495.86

Finding the Fourth Proportional to 19,265,986.62, 28,905,404.10 and 12,814,495.86

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Solution

The fourth proportional to 19,265,986.62, 28,905,404.10 and 12,814,495.86 is: 19,226,016.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265,986.62 : 28,905,404.10 = 12,814,495.86 : x
  2. Step 2: Convert to fraction form
    19,265,986.62/28,905,404.10 = 12,814,495.86/x
  3. Step 3: Cross multiply
    19,265,986.62x = 28,905,404.10 × 12,814,495.86
  4. Step 4: Simplify right side
    19,265,986.62x = 370,408,181,171,077
  5. Step 5: Solve for x
    x = 370,408,181,171,077/19,265,986.62
  6. Step 6: Final answer
    x = 19,226,016.73

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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.