Home / 14,721,190.11-20,314,263.57-8,194,651.76

Finding the Fourth Proportional to 14,721,190.11, 20,314,263.57 and 8,194,651.76

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Solution

The fourth proportional to 14,721,190.11, 20,314,263.57 and 8,194,651.76 is: 11,308,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721,190.11 : 20,314,263.57 = 8,194,651.76 : x
  2. Step 2: Convert to fraction form
    14,721,190.11/20,314,263.57 = 8,194,651.76/x
  3. Step 3: Cross multiply
    14,721,190.11x = 20,314,263.57 × 8,194,651.76
  4. Step 4: Simplify right side
    14,721,190.11x = 166,468,315,615,433.06
  5. Step 5: Solve for x
    x = 166,468,315,615,433.06/14,721,190.11
  6. Step 6: Final answer
    x = 11,308,074.58

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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.