Home / 21,580,372.32-29,780,561.88-11,790,605.76

Finding the Fourth Proportional to 21,580,372.32, 29,780,561.88 and 11,790,605.76

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Solution

The fourth proportional to 21,580,372.32, 29,780,561.88 and 11,790,605.76 is: 16,270,843.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580,372.32 : 29,780,561.88 = 11,790,605.76 : x
  2. Step 2: Convert to fraction form
    21,580,372.32/29,780,561.88 = 11,790,605.76/x
  3. Step 3: Cross multiply
    21,580,372.32x = 29,780,561.88 × 11,790,605.76
  4. Step 4: Simplify right side
    21,580,372.32x = 351,130,864,438,364.44
  5. Step 5: Solve for x
    x = 351,130,864,438,364.44/21,580,372.32
  6. Step 6: Final answer
    x = 16,270,843.67

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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.