Home / 12,303,672.40-16,979,553.64-7,076,672.24

Finding the Fourth Proportional to 12,303,672.40, 16,979,553.64 and 7,076,672.24

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Solution

The fourth proportional to 12,303,672.40, 16,979,553.64 and 7,076,672.24 is: 9,766,087.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,672.40 : 16,979,553.64 = 7,076,672.24 : x
  2. Step 2: Convert to fraction form
    12,303,672.40/16,979,553.64 = 7,076,672.24/x
  3. Step 3: Cross multiply
    12,303,672.40x = 16,979,553.64 × 7,076,672.24
  4. Step 4: Simplify right side
    12,303,672.40x = 120,158,735,891,778.97
  5. Step 5: Solve for x
    x = 120,158,735,891,778.97/12,303,672.40
  6. Step 6: Final answer
    x = 9,766,087.07

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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.