Home / 12,627,506.42-17,430,697.60-8,276,872.94

Finding the Fourth Proportional to 12,627,506.42, 17,430,697.60 and 8,276,872.94

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Solution

The fourth proportional to 12,627,506.42, 17,430,697.60 and 8,276,872.94 is: 11,425,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627,506.42 : 17,430,697.60 = 8,276,872.94 : x
  2. Step 2: Convert to fraction form
    12,627,506.42/17,430,697.60 = 8,276,872.94/x
  3. Step 3: Cross multiply
    12,627,506.42x = 17,430,697.60 × 8,276,872.94
  4. Step 4: Simplify right side
    12,627,506.42x = 144,271,669,290,762.97
  5. Step 5: Solve for x
    x = 144,271,669,290,762.97/12,627,506.42
  6. Step 6: Final answer
    x = 11,425,190.73

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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.