Home / 10,985,622.40-16,478,433.60-3,414,908.80

Finding the Fourth Proportional to 10,985,622.40, 16,478,433.60 and 3,414,908.80

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Solution

The fourth proportional to 10,985,622.40, 16,478,433.60 and 3,414,908.80 is: 5,122,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985,622.40 : 16,478,433.60 = 3,414,908.80 : x
  2. Step 2: Convert to fraction form
    10,985,622.40/16,478,433.60 = 3,414,908.80/x
  3. Step 3: Cross multiply
    10,985,622.40x = 16,478,433.60 × 3,414,908.80
  4. Step 4: Simplify right side
    10,985,622.40x = 56,272,347,910,855.67
  5. Step 5: Solve for x
    x = 56,272,347,910,855.67/10,985,622.40
  6. Step 6: Final answer
    x = 5,122,363.20

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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.