Home / 19,968,000.20-29,952,000.30-8,009,318.60

Finding the Fourth Proportional to 19,968,000.20, 29,952,000.30 and 8,009,318.60

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Solution

The fourth proportional to 19,968,000.20, 29,952,000.30 and 8,009,318.60 is: 12,013,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968,000.20 : 29,952,000.30 = 8,009,318.60 : x
  2. Step 2: Convert to fraction form
    19,968,000.20/29,952,000.30 = 8,009,318.60/x
  3. Step 3: Cross multiply
    19,968,000.20x = 29,952,000.30 × 8,009,318.60
  4. Step 4: Simplify right side
    19,968,000.20x = 239,895,113,109,995.56
  5. Step 5: Solve for x
    x = 239,895,113,109,995.56/19,968,000.20
  6. Step 6: Final answer
    x = 12,013,977.90

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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.