Home / 30,299,847.40-41,813,475.78-16,548,812.20

Finding the Fourth Proportional to 30,299,847.40, 41,813,475.78 and 16,548,812.20

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Solution

The fourth proportional to 30,299,847.40, 41,813,475.78 and 16,548,812.20 is: 22,837,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299,847.40 : 41,813,475.78 = 16,548,812.20 : x
  2. Step 2: Convert to fraction form
    30,299,847.40/41,813,475.78 = 16,548,812.20/x
  3. Step 3: Cross multiply
    30,299,847.40x = 41,813,475.78 × 16,548,812.20
  4. Step 4: Simplify right side
    30,299,847.40x = 691,963,358,112,468.50
  5. Step 5: Solve for x
    x = 691,963,358,112,468.50/30,299,847.40
  6. Step 6: Final answer
    x = 22,837,189.54

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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.