Home / 12,433,768.55-18,630,033.81-7,561,336.22

Finding the Fourth Proportional to 12,433,768.55, 18,630,033.81 and 7,561,336.22

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Solution

The fourth proportional to 12,433,768.55, 18,630,033.81 and 7,561,336.22 is: 11,329,465.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433,768.55 : 18,630,033.81 = 7,561,336.22 : x
  2. Step 2: Convert to fraction form
    12,433,768.55/18,630,033.81 = 7,561,336.22/x
  3. Step 3: Cross multiply
    12,433,768.55x = 18,630,033.81 × 7,561,336.22
  4. Step 4: Simplify right side
    12,433,768.55x = 140,867,949,427,377.59
  5. Step 5: Solve for x
    x = 140,867,949,427,377.59/12,433,768.55
  6. Step 6: Final answer
    x = 11,329,465.31

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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.