Home / 12,142,738.85-16,759,052.70-7,248,213.41

Finding the Fourth Proportional to 12,142,738.85, 16,759,052.70 and 7,248,213.41

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Solution

The fourth proportional to 12,142,738.85, 16,759,052.70 and 7,248,213.41 is: 10,003,771.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,142,738.85 : 16,759,052.70 = 7,248,213.41 : x
  2. Step 2: Convert to fraction form
    12,142,738.85/16,759,052.70 = 7,248,213.41/x
  3. Step 3: Cross multiply
    12,142,738.85x = 16,759,052.70 × 7,248,213.41
  4. Step 4: Simplify right side
    12,142,738.85x = 121,473,190,542,813.80
  5. Step 5: Solve for x
    x = 121,473,190,542,813.80/12,142,738.85
  6. Step 6: Final answer
    x = 10,003,771.97

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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.