Home / 13,831,455.85-20,747,183.78-7,029,011.05

Finding the Fourth Proportional to 13,831,455.85, 20,747,183.78 and 7,029,011.05

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Solution

The fourth proportional to 13,831,455.85, 20,747,183.78 and 7,029,011.05 is: 10,543,516.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,455.85 : 20,747,183.78 = 7,029,011.05 : x
  2. Step 2: Convert to fraction form
    13,831,455.85/20,747,183.78 = 7,029,011.05/x
  3. Step 3: Cross multiply
    13,831,455.85x = 20,747,183.78 × 7,029,011.05
  4. Step 4: Simplify right side
    13,831,455.85x = 145,832,184,046,000.78
  5. Step 5: Solve for x
    x = 145,832,184,046,000.78/13,831,455.85
  6. Step 6: Final answer
    x = 10,543,516.58

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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.