Home / 21,430,848.80-32,146,273.20-5,474,496.80

Finding the Fourth Proportional to 21,430,848.80, 32,146,273.20 and 5,474,496.80

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Solution

The fourth proportional to 21,430,848.80, 32,146,273.20 and 5,474,496.80 is: 8,211,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,430,848.80 : 32,146,273.20 = 5,474,496.80 : x
  2. Step 2: Convert to fraction form
    21,430,848.80/32,146,273.20 = 5,474,496.80/x
  3. Step 3: Cross multiply
    21,430,848.80x = 32,146,273.20 × 5,474,496.80
  4. Step 4: Simplify right side
    21,430,848.80x = 175,984,669,765,325.75
  5. Step 5: Solve for x
    x = 175,984,669,765,325.75/21,430,848.80
  6. Step 6: Final answer
    x = 8,211,745.20

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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.