Home / 13,836,417.20-20,698,638.60-12,156,801.20

Finding the Fourth Proportional to 13,836,417.20, 20,698,638.60 and 12,156,801.20

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Solution

The fourth proportional to 13,836,417.20, 20,698,638.60 and 12,156,801.20 is: 18,186,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836,417.20 : 20,698,638.60 = 12,156,801.20 : x
  2. Step 2: Convert to fraction form
    13,836,417.20/20,698,638.60 = 12,156,801.20/x
  3. Step 3: Cross multiply
    13,836,417.20x = 20,698,638.60 × 12,156,801.20
  4. Step 4: Simplify right side
    13,836,417.20x = 251,629,234,570,846.31
  5. Step 5: Solve for x
    x = 251,629,234,570,846.31/13,836,417.20
  6. Step 6: Final answer
    x = 18,186,010.94

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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.