Home / 19,413,408.80-29,120,113.20-6,631,997.60

Finding the Fourth Proportional to 19,413,408.80, 29,120,113.20 and 6,631,997.60

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Solution

The fourth proportional to 19,413,408.80, 29,120,113.20 and 6,631,997.60 is: 9,947,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413,408.80 : 29,120,113.20 = 6,631,997.60 : x
  2. Step 2: Convert to fraction form
    19,413,408.80/29,120,113.20 = 6,631,997.60/x
  3. Step 3: Cross multiply
    19,413,408.80x = 29,120,113.20 × 6,631,997.60
  4. Step 4: Simplify right side
    19,413,408.80x = 193,124,520,854,128.31
  5. Step 5: Solve for x
    x = 193,124,520,854,128.31/19,413,408.80
  6. Step 6: Final answer
    x = 9,947,996.40

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1.5x scale

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.