Home / 12,048,855.11-16,627,249.81-6,821,728.39

Finding the Fourth Proportional to 12,048,855.11, 16,627,249.81 and 6,821,728.39

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Solution

The fourth proportional to 12,048,855.11, 16,627,249.81 and 6,821,728.39 is: 9,413,888.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,855.11 : 16,627,249.81 = 6,821,728.39 : x
  2. Step 2: Convert to fraction form
    12,048,855.11/16,627,249.81 = 6,821,728.39/x
  3. Step 3: Cross multiply
    12,048,855.11x = 16,627,249.81 × 6,821,728.39
  4. Step 4: Simplify right side
    12,048,855.11x = 113,426,582,076,499.11
  5. Step 5: Solve for x
    x = 113,426,582,076,499.11/12,048,855.11
  6. Step 6: Final answer
    x = 9,413,888.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.