Home / 8,906,079-12,290,412.78-4,831,698

Finding the Fourth Proportional to 8,906,079, 12,290,412.78 and 4,831,698

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Solution

The fourth proportional to 8,906,079, 12,290,412.78 and 4,831,698 is: 6,667,756.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906,079 : 12,290,412.78 = 4,831,698 : x
  2. Step 2: Convert to fraction form
    8,906,079/12,290,412.78 = 4,831,698/x
  3. Step 3: Cross multiply
    8,906,079x = 12,290,412.78 × 4,831,698
  4. Step 4: Simplify right side
    8,906,079x = 59,383,562,848,300.44
  5. Step 5: Solve for x
    x = 59,383,562,848,300.44/8,906,079
  6. Step 6: Final answer
    x = 6,667,756.13

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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.