Home / 13,503,831.91-20,256,649.13-4,749,059.82

Finding the Fourth Proportional to 13,503,831.91, 20,256,649.13 and 4,749,059.82

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Solution

The fourth proportional to 13,503,831.91, 20,256,649.13 and 4,749,059.82 is: 7,123,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503,831.91 : 20,256,649.13 = 4,749,059.82 : x
  2. Step 2: Convert to fraction form
    13,503,831.91/20,256,649.13 = 4,749,059.82/x
  3. Step 3: Cross multiply
    13,503,831.91x = 20,256,649.13 × 4,749,059.82
  4. Step 4: Simplify right side
    13,503,831.91x = 96,200,038,471,120.95
  5. Step 5: Solve for x
    x = 96,200,038,471,120.95/13,503,831.91
  6. Step 6: Final answer
    x = 7,123,906.69

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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.