Home / 16,507,816.40-24,761,724.60-12,728,680.40

Finding the Fourth Proportional to 16,507,816.40, 24,761,724.60 and 12,728,680.40

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Solution

The fourth proportional to 16,507,816.40, 24,761,724.60 and 12,728,680.40 is: 19,093,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,507,816.40 : 24,761,724.60 = 12,728,680.40 : x
  2. Step 2: Convert to fraction form
    16,507,816.40/24,761,724.60 = 12,728,680.40/x
  3. Step 3: Cross multiply
    16,507,816.40x = 24,761,724.60 × 12,728,680.40
  4. Step 4: Simplify right side
    16,507,816.40x = 315,184,078,586,217.88
  5. Step 5: Solve for x
    x = 315,184,078,586,217.88/16,507,816.40
  6. Step 6: Final answer
    x = 19,093,020.60

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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.