Home / 12,303,663.03-16,979,540.67-7,076,662.88

Finding the Fourth Proportional to 12,303,663.03, 16,979,540.67 and 7,076,662.88

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Solution

The fourth proportional to 12,303,663.03, 16,979,540.67 and 7,076,662.88 is: 9,766,074.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,663.03 : 16,979,540.67 = 7,076,662.88 : x
  2. Step 2: Convert to fraction form
    12,303,663.03/16,979,540.67 = 7,076,662.88/x
  3. Step 3: Cross multiply
    12,303,663.03x = 16,979,540.67 × 7,076,662.88
  4. Step 4: Simplify right side
    12,303,663.03x = 120,158,485,093,941.64
  5. Step 5: Solve for x
    x = 120,158,485,093,941.64/12,303,663.03
  6. Step 6: Final answer
    x = 9,766,074.12

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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.