Home / 19,038,294.78-28,568,788.65-6,908,704.62

Finding the Fourth Proportional to 19,038,294.78, 28,568,788.65 and 6,908,704.62

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Solution

The fourth proportional to 19,038,294.78, 28,568,788.65 and 6,908,704.62 is: 10,367,174.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038,294.78 : 28,568,788.65 = 6,908,704.62 : x
  2. Step 2: Convert to fraction form
    19,038,294.78/28,568,788.65 = 6,908,704.62/x
  3. Step 3: Cross multiply
    19,038,294.78x = 28,568,788.65 × 6,908,704.62
  4. Step 4: Simplify right side
    19,038,294.78x = 197,373,322,134,058.56
  5. Step 5: Solve for x
    x = 197,373,322,134,058.56/19,038,294.78
  6. Step 6: Final answer
    x = 10,367,174.39

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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.