Home / 13,622,716.08-18,800,676.72-10,178,978.40

Finding the Fourth Proportional to 13,622,716.08, 18,800,676.72 and 10,178,978.40

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Solution

The fourth proportional to 13,622,716.08, 18,800,676.72 and 10,178,978.40 is: 14,047,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622,716.08 : 18,800,676.72 = 10,178,978.40 : x
  2. Step 2: Convert to fraction form
    13,622,716.08/18,800,676.72 = 10,178,978.40/x
  3. Step 3: Cross multiply
    13,622,716.08x = 18,800,676.72 × 10,178,978.40
  4. Step 4: Simplify right side
    13,622,716.08x = 191,371,682,238,262.84
  5. Step 5: Solve for x
    x = 191,371,682,238,262.84/13,622,716.08
  6. Step 6: Final answer
    x = 14,047,982.88

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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.