Home / 31,131,911.70-46,697,867.55-19,822,497.30

Finding the Fourth Proportional to 31,131,911.70, 46,697,867.55 and 19,822,497.30

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Solution

The fourth proportional to 31,131,911.70, 46,697,867.55 and 19,822,497.30 is: 29,733,745.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131,911.70 : 46,697,867.55 = 19,822,497.30 : x
  2. Step 2: Convert to fraction form
    31,131,911.70/46,697,867.55 = 19,822,497.30/x
  3. Step 3: Cross multiply
    31,131,911.70x = 46,697,867.55 × 19,822,497.30
  4. Step 4: Simplify right side
    31,131,911.70x = 925,668,353,425,632.62
  5. Step 5: Solve for x
    x = 925,668,353,425,632.62/31,131,911.70
  6. Step 6: Final answer
    x = 29,733,745.95

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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.