Home / 12,831,758.40-19,247,637.60-3,856,310.40

Finding the Fourth Proportional to 12,831,758.40, 19,247,637.60 and 3,856,310.40

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Solution

The fourth proportional to 12,831,758.40, 19,247,637.60 and 3,856,310.40 is: 5,784,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,758.40 : 19,247,637.60 = 3,856,310.40 : x
  2. Step 2: Convert to fraction form
    12,831,758.40/19,247,637.60 = 3,856,310.40/x
  3. Step 3: Cross multiply
    12,831,758.40x = 19,247,637.60 × 3,856,310.40
  4. Step 4: Simplify right side
    12,831,758.40x = 74,224,865,052,311.05
  5. Step 5: Solve for x
    x = 74,224,865,052,311.05/12,831,758.40
  6. Step 6: Final answer
    x = 5,784,465.60

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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.