Home / 12,642,992.75-18,956,809.52-4,957,429.72

Finding the Fourth Proportional to 12,642,992.75, 18,956,809.52 and 4,957,429.72

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Solution

The fourth proportional to 12,642,992.75, 18,956,809.52 and 4,957,429.72 is: 7,433,133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,992.75 : 18,956,809.52 = 4,957,429.72 : x
  2. Step 2: Convert to fraction form
    12,642,992.75/18,956,809.52 = 4,957,429.72/x
  3. Step 3: Cross multiply
    12,642,992.75x = 18,956,809.52 × 4,957,429.72
  4. Step 4: Simplify right side
    12,642,992.75x = 93,977,050,791,255.73
  5. Step 5: Solve for x
    x = 93,977,050,791,255.73/12,642,992.75
  6. Step 6: Final answer
    x = 7,433,133.33

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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.