Home / 10,420,110.95-14,379,753.02-6,345,729.95

Finding the Fourth Proportional to 10,420,110.95, 14,379,753.02 and 6,345,729.95

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Solution

The fourth proportional to 10,420,110.95, 14,379,753.02 and 6,345,729.95 is: 8,757,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420,110.95 : 14,379,753.02 = 6,345,729.95 : x
  2. Step 2: Convert to fraction form
    10,420,110.95/14,379,753.02 = 6,345,729.95/x
  3. Step 3: Cross multiply
    10,420,110.95x = 14,379,753.02 × 6,345,729.95
  4. Step 4: Simplify right side
    10,420,110.95x = 91,250,029,308,989.55
  5. Step 5: Solve for x
    x = 91,250,029,308,989.55/10,420,110.95
  6. Step 6: Final answer
    x = 8,757,107.27

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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.