Home / 10,989,042.94-16,485,080.21-6,380,199.71

Finding the Fourth Proportional to 10,989,042.94, 16,485,080.21 and 6,380,199.71

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Solution

The fourth proportional to 10,989,042.94, 16,485,080.21 and 6,380,199.71 is: 9,571,179.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989,042.94 : 16,485,080.21 = 6,380,199.71 : x
  2. Step 2: Convert to fraction form
    10,989,042.94/16,485,080.21 = 6,380,199.71/x
  3. Step 3: Cross multiply
    10,989,042.94x = 16,485,080.21 × 6,380,199.71
  4. Step 4: Simplify right side
    10,989,042.94x = 105,178,103,860,842.34
  5. Step 5: Solve for x
    x = 105,178,103,860,842.34/10,989,042.94
  6. Step 6: Final answer
    x = 9,571,179.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.