Home / 8,631,805-12,948,329.58-3,313,021

Finding the Fourth Proportional to 8,631,805, 12,948,329.58 and 3,313,021

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Solution

The fourth proportional to 8,631,805, 12,948,329.58 and 3,313,021 is: 4,969,770.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631,805 : 12,948,329.58 = 3,313,021 : x
  2. Step 2: Convert to fraction form
    8,631,805/12,948,329.58 = 3,313,021/x
  3. Step 3: Cross multiply
    8,631,805x = 12,948,329.58 × 3,313,021
  4. Step 4: Simplify right side
    8,631,805x = 42,898,087,813,461.18
  5. Step 5: Solve for x
    x = 42,898,087,813,461.18/8,631,805
  6. Step 6: Final answer
    x = 4,969,770.26

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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.