Home / 13,909,831.94-20,862,509.83-3,810,091.78

Finding the Fourth Proportional to 13,909,831.94, 20,862,509.83 and 3,810,091.78

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Solution

The fourth proportional to 13,909,831.94, 20,862,509.83 and 3,810,091.78 is: 5,714,524.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909,831.94 : 20,862,509.83 = 3,810,091.78 : x
  2. Step 2: Convert to fraction form
    13,909,831.94/20,862,509.83 = 3,810,091.78/x
  3. Step 3: Cross multiply
    13,909,831.94x = 20,862,509.83 × 3,810,091.78
  4. Step 4: Simplify right side
    13,909,831.94x = 79,488,077,213,452.19
  5. Step 5: Solve for x
    x = 79,488,077,213,452.19/13,909,831.94
  6. Step 6: Final answer
    x = 5,714,524.63

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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.