Home / 5,371,825.80-8,057,738.70-5,315,838.60

Finding the Fourth Proportional to 5,371,825.80, 8,057,738.70 and 5,315,838.60

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Solution

The fourth proportional to 5,371,825.80, 8,057,738.70 and 5,315,838.60 is: 7,973,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371,825.80 : 8,057,738.70 = 5,315,838.60 : x
  2. Step 2: Convert to fraction form
    5,371,825.80/8,057,738.70 = 5,315,838.60/x
  3. Step 3: Cross multiply
    5,371,825.80x = 8,057,738.70 × 5,315,838.60
  4. Step 4: Simplify right side
    5,371,825.80x = 42,833,638,410,173.82
  5. Step 5: Solve for x
    x = 42,833,638,410,173.82/5,371,825.80
  6. Step 6: Final answer
    x = 7,973,757.90

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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.