Home / 10,696,644.20-16,080,395.70-9,137,750.60

Finding the Fourth Proportional to 10,696,644.20, 16,080,395.70 and 9,137,750.60

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Solution

The fourth proportional to 10,696,644.20, 16,080,395.70 and 9,137,750.60 is: 13,736,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,696,644.20 : 16,080,395.70 = 9,137,750.60 : x
  2. Step 2: Convert to fraction form
    10,696,644.20/16,080,395.70 = 9,137,750.60/x
  3. Step 3: Cross multiply
    10,696,644.20x = 16,080,395.70 × 9,137,750.60
  4. Step 4: Simplify right side
    10,696,644.20x = 146,938,645,455,912.41
  5. Step 5: Solve for x
    x = 146,938,645,455,912.41/10,696,644.20
  6. Step 6: Final answer
    x = 13,736,891.94

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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.