Home / 12,279,973.92-18,420,004.08-3,760,272.96

Finding the Fourth Proportional to 12,279,973.92, 18,420,004.08 and 3,760,272.96

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Solution

The fourth proportional to 12,279,973.92, 18,420,004.08 and 3,760,272.96 is: 5,640,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,279,973.92 : 18,420,004.08 = 3,760,272.96 : x
  2. Step 2: Convert to fraction form
    12,279,973.92/18,420,004.08 = 3,760,272.96/x
  3. Step 3: Cross multiply
    12,279,973.92x = 18,420,004.08 × 3,760,272.96
  4. Step 4: Simplify right side
    12,279,973.92x = 69,264,243,265,113.67
  5. Step 5: Solve for x
    x = 69,264,243,265,113.67/12,279,973.92
  6. Step 6: Final answer
    x = 5,640,422.67

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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.