Home / 9,412,907.31-12,989,265.99-5,282,552.67

Finding the Fourth Proportional to 9,412,907.31, 12,989,265.99 and 5,282,552.67

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Solution

The fourth proportional to 9,412,907.31, 12,989,265.99 and 5,282,552.67 is: 7,289,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412,907.31 : 12,989,265.99 = 5,282,552.67 : x
  2. Step 2: Convert to fraction form
    9,412,907.31/12,989,265.99 = 5,282,552.67/x
  3. Step 3: Cross multiply
    9,412,907.31x = 12,989,265.99 × 5,282,552.67
  4. Step 4: Simplify right side
    9,412,907.31x = 68,616,481,736,814.70
  5. Step 5: Solve for x
    x = 68,616,481,736,814.70/9,412,907.31
  6. Step 6: Final answer
    x = 7,289,616.21

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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.