Home / 8,906,345.82-12,290,705.91-4,831,877.34

Finding the Fourth Proportional to 8,906,345.82, 12,290,705.91 and 4,831,877.34

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Solution

The fourth proportional to 8,906,345.82, 12,290,705.91 and 4,831,877.34 is: 6,667,962.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906,345.82 : 12,290,705.91 = 4,831,877.34 : x
  2. Step 2: Convert to fraction form
    8,906,345.82/12,290,705.91 = 4,831,877.34/x
  3. Step 3: Cross multiply
    8,906,345.82x = 12,290,705.91 × 4,831,877.34
  4. Step 4: Simplify right side
    8,906,345.82x = 59,387,183,379,133.08
  5. Step 5: Solve for x
    x = 59,387,183,379,133.08/8,906,345.82
  6. Step 6: Final answer
    x = 6,667,962.89

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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.