Home / 18,286,831.72-27,430,192.90-4,639,951.72

Finding the Fourth Proportional to 18,286,831.72, 27,430,192.90 and 4,639,951.72

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Solution

The fourth proportional to 18,286,831.72, 27,430,192.90 and 4,639,951.72 is: 6,959,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286,831.72 : 27,430,192.90 = 4,639,951.72 : x
  2. Step 2: Convert to fraction form
    18,286,831.72/27,430,192.90 = 4,639,951.72/x
  3. Step 3: Cross multiply
    18,286,831.72x = 27,430,192.90 × 4,639,951.72
  4. Step 4: Simplify right side
    18,286,831.72x = 127,274,770,634,511.55
  5. Step 5: Solve for x
    x = 127,274,770,634,511.55/18,286,831.72
  6. Step 6: Final answer
    x = 6,959,913.70

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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.