Home / 11,214,000.80-16,821,001.20-7,387,625.60

Finding the Fourth Proportional to 11,214,000.80, 16,821,001.20 and 7,387,625.60

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Solution

The fourth proportional to 11,214,000.80, 16,821,001.20 and 7,387,625.60 is: 11,081,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214,000.80 : 16,821,001.20 = 7,387,625.60 : x
  2. Step 2: Convert to fraction form
    11,214,000.80/16,821,001.20 = 7,387,625.60/x
  3. Step 3: Cross multiply
    11,214,000.80x = 16,821,001.20 × 7,387,625.60
  4. Step 4: Simplify right side
    11,214,000.80x = 124,267,259,082,750.70
  5. Step 5: Solve for x
    x = 124,267,259,082,750.70/11,214,000.80
  6. Step 6: Final answer
    x = 11,081,438.40

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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.