Home / 12,349,120.60-18,511,725.30-5,521,831.48

Finding the Fourth Proportional to 12,349,120.60, 18,511,725.30 and 5,521,831.48

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Solution

The fourth proportional to 12,349,120.60, 18,511,725.30 and 5,521,831.48 is: 8,277,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349,120.60 : 18,511,725.30 = 5,521,831.48 : x
  2. Step 2: Convert to fraction form
    12,349,120.60/18,511,725.30 = 5,521,831.48/x
  3. Step 3: Cross multiply
    12,349,120.60x = 18,511,725.30 × 5,521,831.48
  4. Step 4: Simplify right side
    12,349,120.60x = 102,218,627,510,652.45
  5. Step 5: Solve for x
    x = 102,218,627,510,652.45/12,349,120.60
  6. Step 6: Final answer
    x = 8,277,401.35

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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.