Home / 12,303,661.88-16,979,539.12-7,076,661.73

Finding the Fourth Proportional to 12,303,661.88, 16,979,539.12 and 7,076,661.73

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Solution

The fourth proportional to 12,303,661.88, 16,979,539.12 and 7,076,661.73 is: 9,766,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,661.88 : 16,979,539.12 = 7,076,661.73 : x
  2. Step 2: Convert to fraction form
    12,303,661.88/16,979,539.12 = 7,076,661.73/x
  3. Step 3: Cross multiply
    12,303,661.88x = 16,979,539.12 × 7,076,661.73
  4. Step 4: Simplify right side
    12,303,661.88x = 120,158,454,623,401.38
  5. Step 5: Solve for x
    x = 120,158,454,623,401.38/12,303,661.88
  6. Step 6: Final answer
    x = 9,766,072.55

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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.