Home / 21,505,443.80-32,258,165.70-19,863,152.60

Finding the Fourth Proportional to 21,505,443.80, 32,258,165.70 and 19,863,152.60

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Solution

The fourth proportional to 21,505,443.80, 32,258,165.70 and 19,863,152.60 is: 29,794,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,443.80 : 32,258,165.70 = 19,863,152.60 : x
  2. Step 2: Convert to fraction form
    21,505,443.80/32,258,165.70 = 19,863,152.60/x
  3. Step 3: Cross multiply
    21,505,443.80x = 32,258,165.70 × 19,863,152.60
  4. Step 4: Simplify right side
    21,505,443.80x = 640,748,867,895,185.88
  5. Step 5: Solve for x
    x = 640,748,867,895,185.88/21,505,443.80
  6. Step 6: Final answer
    x = 29,794,728.90

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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.