Home / 29,318,943.90-43,990,613.16-12,915,832.89

Finding the Fourth Proportional to 29,318,943.90, 43,990,613.16 and 12,915,832.89

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Solution

The fourth proportional to 29,318,943.90, 43,990,613.16 and 12,915,832.89 is: 19,379,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,318,943.90 : 43,990,613.16 = 12,915,832.89 : x
  2. Step 2: Convert to fraction form
    29,318,943.90/43,990,613.16 = 12,915,832.89/x
  3. Step 3: Cross multiply
    29,318,943.90x = 43,990,613.16 × 12,915,832.89
  4. Step 4: Simplify right side
    29,318,943.90x = 568,175,408,303,194.75
  5. Step 5: Solve for x
    x = 568,175,408,303,194.75/29,318,943.90
  6. Step 6: Final answer
    x = 19,379,122.60

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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.