Home / 12,567,147.40-18,879,097.91-7,452,931.73

Finding the Fourth Proportional to 12,567,147.40, 18,879,097.91 and 7,452,931.73

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Solution

The fourth proportional to 12,567,147.40, 18,879,097.91 and 7,452,931.73 is: 11,196,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567,147.40 : 18,879,097.91 = 7,452,931.73 : x
  2. Step 2: Convert to fraction form
    12,567,147.40/18,879,097.91 = 7,452,931.73/x
  3. Step 3: Cross multiply
    12,567,147.40x = 18,879,097.91 × 7,452,931.73
  4. Step 4: Simplify right side
    12,567,147.40x = 140,704,627,857,148.78
  5. Step 5: Solve for x
    x = 140,704,627,857,148.78/12,567,147.40
  6. Step 6: Final answer
    x = 11,196,226.43

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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.