Home / 8,270,063.72-11,411,015.60-4,831,640.44

Finding the Fourth Proportional to 8,270,063.72, 11,411,015.60 and 4,831,640.44

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Solution

The fourth proportional to 8,270,063.72, 11,411,015.60 and 4,831,640.44 is: 6,666,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270,063.72 : 11,411,015.60 = 4,831,640.44 : x
  2. Step 2: Convert to fraction form
    8,270,063.72/11,411,015.60 = 4,831,640.44/x
  3. Step 3: Cross multiply
    8,270,063.72x = 11,411,015.60 × 4,831,640.44
  4. Step 4: Simplify right side
    8,270,063.72x = 55,133,924,434,430.87
  5. Step 5: Solve for x
    x = 55,133,924,434,430.87/8,270,063.72
  6. Step 6: Final answer
    x = 6,666,686.78

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1.5x scale

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.