Home / 30,813,984.87-42,522,776.30-17,062,653.75

Finding the Fourth Proportional to 30,813,984.87, 42,522,776.30 and 17,062,653.75

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Solution

The fourth proportional to 30,813,984.87, 42,522,776.30 and 17,062,653.75 is: 23,546,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813,984.87 : 42,522,776.30 = 17,062,653.75 : x
  2. Step 2: Convert to fraction form
    30,813,984.87/42,522,776.30 = 17,062,653.75/x
  3. Step 3: Cross multiply
    30,813,984.87x = 42,522,776.30 × 17,062,653.75
  4. Step 4: Simplify right side
    30,813,984.87x = 725,551,408,410,292.88
  5. Step 5: Solve for x
    x = 725,551,408,410,292.88/30,813,984.87
  6. Step 6: Final answer
    x = 23,546,172.67

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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.