Home / 10,900,955.70-16,351,433.55-9,891,217.80

Finding the Fourth Proportional to 10,900,955.70, 16,351,433.55 and 9,891,217.80

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Solution

The fourth proportional to 10,900,955.70, 16,351,433.55 and 9,891,217.80 is: 14,836,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900,955.70 : 16,351,433.55 = 9,891,217.80 : x
  2. Step 2: Convert to fraction form
    10,900,955.70/16,351,433.55 = 9,891,217.80/x
  3. Step 3: Cross multiply
    10,900,955.70x = 16,351,433.55 × 9,891,217.80
  4. Step 4: Simplify right side
    10,900,955.70x = 161,735,590,585,277.22
  5. Step 5: Solve for x
    x = 161,735,590,585,277.22/10,900,955.70
  6. Step 6: Final answer
    x = 14,836,826.70

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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.