Home / 14,906,831.61-20,571,303.86-8,380,490.10

Finding the Fourth Proportional to 14,906,831.61, 20,571,303.86 and 8,380,490.10

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Solution

The fourth proportional to 14,906,831.61, 20,571,303.86 and 8,380,490.10 is: 11,565,006.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906,831.61 : 20,571,303.86 = 8,380,490.10 : x
  2. Step 2: Convert to fraction form
    14,906,831.61/20,571,303.86 = 8,380,490.10/x
  3. Step 3: Cross multiply
    14,906,831.61x = 20,571,303.86 × 8,380,490.10
  4. Step 4: Simplify right side
    14,906,831.61x = 172,397,608,342,821.78
  5. Step 5: Solve for x
    x = 172,397,608,342,821.78/14,906,831.61
  6. Step 6: Final answer
    x = 11,565,006.76

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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.