Home / 12,201,199.81-16,837,687.71-6,619,446.03

Finding the Fourth Proportional to 12,201,199.81, 16,837,687.71 and 6,619,446.03

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Solution

The fourth proportional to 12,201,199.81, 16,837,687.71 and 6,619,446.03 is: 9,134,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201,199.81 : 16,837,687.71 = 6,619,446.03 : x
  2. Step 2: Convert to fraction form
    12,201,199.81/16,837,687.71 = 6,619,446.03/x
  3. Step 3: Cross multiply
    12,201,199.81x = 16,837,687.71 × 6,619,446.03
  4. Step 4: Simplify right side
    12,201,199.81x = 111,456,165,066,339.30
  5. Step 5: Solve for x
    x = 111,456,165,066,339.30/12,201,199.81
  6. Step 6: Final answer
    x = 9,134,852.87

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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.