Home / 21,936,861.99-30,272,850.45-12,147,305.67

Finding the Fourth Proportional to 21,936,861.99, 30,272,850.45 and 12,147,305.67

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Solution

The fourth proportional to 21,936,861.99, 30,272,850.45 and 12,147,305.67 is: 16,763,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936,861.99 : 30,272,850.45 = 12,147,305.67 : x
  2. Step 2: Convert to fraction form
    21,936,861.99/30,272,850.45 = 12,147,305.67/x
  3. Step 3: Cross multiply
    21,936,861.99x = 30,272,850.45 × 12,147,305.67
  4. Step 4: Simplify right side
    21,936,861.99x = 367,733,567,918,347.06
  5. Step 5: Solve for x
    x = 367,733,567,918,347.06/21,936,861.99
  6. Step 6: Final answer
    x = 16,763,271.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.