Home / 12,474,420.30-18,714,352.05-7,085,652.30

Finding the Fourth Proportional to 12,474,420.30, 18,714,352.05 and 7,085,652.30

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Solution

The fourth proportional to 12,474,420.30, 18,714,352.05 and 7,085,652.30 is: 10,630,024.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,420.30 : 18,714,352.05 = 7,085,652.30 : x
  2. Step 2: Convert to fraction form
    12,474,420.30/18,714,352.05 = 7,085,652.30/x
  3. Step 3: Cross multiply
    12,474,420.30x = 18,714,352.05 × 7,085,652.30
  4. Step 4: Simplify right side
    12,474,420.30x = 132,603,391,646,092.22
  5. Step 5: Solve for x
    x = 132,603,391,646,092.22/12,474,420.30
  6. Step 6: Final answer
    x = 10,630,024.36

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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.