Home / 15,404,546.81-21,258,938.90-8,529,028.88

Finding the Fourth Proportional to 15,404,546.81, 21,258,938.90 and 8,529,028.88

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Solution

The fourth proportional to 15,404,546.81, 21,258,938.90 and 8,529,028.88 is: 11,770,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,546.81 : 21,258,938.90 = 8,529,028.88 : x
  2. Step 2: Convert to fraction form
    15,404,546.81/21,258,938.90 = 8,529,028.88/x
  3. Step 3: Cross multiply
    15,404,546.81x = 21,258,938.90 × 8,529,028.88
  4. Step 4: Simplify right side
    15,404,546.81x = 181,318,103,751,283.31
  5. Step 5: Solve for x
    x = 181,318,103,751,283.31/15,404,546.81
  6. Step 6: Final answer
    x = 11,770,427.65

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