Home / 21,185,806.41-29,234,798.43-11,891,580.60

Finding the Fourth Proportional to 21,185,806.41, 29,234,798.43 and 11,891,580.60

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Solution

The fourth proportional to 21,185,806.41, 29,234,798.43 and 11,891,580.60 is: 16,409,475.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,185,806.41 : 29,234,798.43 = 11,891,580.60 : x
  2. Step 2: Convert to fraction form
    21,185,806.41/29,234,798.43 = 11,891,580.60/x
  3. Step 3: Cross multiply
    21,185,806.41x = 29,234,798.43 × 11,891,580.60
  4. Step 4: Simplify right side
    21,185,806.41x = 347,647,961,855,098.44
  5. Step 5: Solve for x
    x = 347,647,961,855,098.44/21,185,806.41
  6. Step 6: Final answer
    x = 16,409,475.06

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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.