Home / 8,145,195.89-11,239,152.05-4,659,981.12

Finding the Fourth Proportional to 8,145,195.89, 11,239,152.05 and 4,659,981.12

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Solution

The fourth proportional to 8,145,195.89, 11,239,152.05 and 4,659,981.12 is: 6,430,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145,195.89 : 11,239,152.05 = 4,659,981.12 : x
  2. Step 2: Convert to fraction form
    8,145,195.89/11,239,152.05 = 4,659,981.12/x
  3. Step 3: Cross multiply
    8,145,195.89x = 11,239,152.05 × 4,659,981.12
  4. Step 4: Simplify right side
    8,145,195.89x = 52,374,236,334,509.39
  5. Step 5: Solve for x
    x = 52,374,236,334,509.39/8,145,195.89
  6. Step 6: Final answer
    x = 6,430,076.95

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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.