Home / 19,546,679.80-29,383,005.30-13,905,969.40

Finding the Fourth Proportional to 19,546,679.80, 29,383,005.30 and 13,905,969.40

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Solution

The fourth proportional to 19,546,679.80, 29,383,005.30 and 13,905,969.40 is: 20,903,763.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,546,679.80 : 29,383,005.30 = 13,905,969.40 : x
  2. Step 2: Convert to fraction form
    19,546,679.80/29,383,005.30 = 13,905,969.40/x
  3. Step 3: Cross multiply
    19,546,679.80x = 29,383,005.30 × 13,905,969.40
  4. Step 4: Simplify right side
    19,546,679.80x = 408,599,172,581,837.81
  5. Step 5: Solve for x
    x = 408,599,172,581,837.81/19,546,679.80
  6. Step 6: Final answer
    x = 20,903,763.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.