Home / 28,749,958.80-43,103,667.60-13,586,175.60

Finding the Fourth Proportional to 28,749,958.80, 43,103,667.60 and 13,586,175.60

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Solution

The fourth proportional to 28,749,958.80, 43,103,667.60 and 13,586,175.60 is: 20,369,211.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749,958.80 : 43,103,667.60 = 13,586,175.60 : x
  2. Step 2: Convert to fraction form
    28,749,958.80/43,103,667.60 = 13,586,175.60/x
  3. Step 3: Cross multiply
    28,749,958.80x = 43,103,667.60 × 13,586,175.60
  4. Step 4: Simplify right side
    28,749,958.80x = 585,613,997,017,630.62
  5. Step 5: Solve for x
    x = 585,613,997,017,630.62/28,749,958.80
  6. Step 6: Final answer
    x = 20,369,211.69

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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.