Home / 12,815,845.10-17,685,801.78-6,935,475.03

Finding the Fourth Proportional to 12,815,845.10, 17,685,801.78 and 6,935,475.03

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Solution

The fourth proportional to 12,815,845.10, 17,685,801.78 and 6,935,475.03 is: 9,570,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815,845.10 : 17,685,801.78 = 6,935,475.03 : x
  2. Step 2: Convert to fraction form
    12,815,845.10/17,685,801.78 = 6,935,475.03/x
  3. Step 3: Cross multiply
    12,815,845.10x = 17,685,801.78 × 6,935,475.03
  4. Step 4: Simplify right side
    12,815,845.10x = 122,659,436,630,719.56
  5. Step 5: Solve for x
    x = 122,659,436,630,719.56/12,815,845.10
  6. Step 6: Final answer
    x = 9,570,920.66

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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.