Home / 7,091,709.80-10,621,818.30-5,831,997.80

Finding the Fourth Proportional to 7,091,709.80, 10,621,818.30 and 5,831,997.80

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Solution

The fourth proportional to 7,091,709.80, 10,621,818.30 and 5,831,997.80 is: 8,735,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091,709.80 : 10,621,818.30 = 5,831,997.80 : x
  2. Step 2: Convert to fraction form
    7,091,709.80/10,621,818.30 = 5,831,997.80/x
  3. Step 3: Cross multiply
    7,091,709.80x = 10,621,818.30 × 5,831,997.80
  4. Step 4: Simplify right side
    7,091,709.80x = 61,946,420,957,599.74
  5. Step 5: Solve for x
    x = 61,946,420,957,599.74/7,091,709.80
  6. Step 6: Final answer
    x = 8,735,047.36

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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.