Home / 36,878,469.60-55,317,704.40-12,943,941.60

Finding the Fourth Proportional to 36,878,469.60, 55,317,704.40 and 12,943,941.60

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Solution

The fourth proportional to 36,878,469.60, 55,317,704.40 and 12,943,941.60 is: 19,415,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,878,469.60 : 55,317,704.40 = 12,943,941.60 : x
  2. Step 2: Convert to fraction form
    36,878,469.60/55,317,704.40 = 12,943,941.60/x
  3. Step 3: Cross multiply
    36,878,469.60x = 55,317,704.40 × 12,943,941.60
  4. Step 4: Simplify right side
    36,878,469.60x = 716,029,135,199,663
  5. Step 5: Solve for x
    x = 716,029,135,199,663/36,878,469.60
  6. Step 6: Final answer
    x = 19,415,912.40

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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.