Home / 19,538,604.30-26,945,629.98-12,197,118.68

Finding the Fourth Proportional to 19,538,604.30, 26,945,629.98 and 12,197,118.68

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Solution

The fourth proportional to 19,538,604.30, 26,945,629.98 and 12,197,118.68 is: 16,821,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538,604.30 : 26,945,629.98 = 12,197,118.68 : x
  2. Step 2: Convert to fraction form
    19,538,604.30/26,945,629.98 = 12,197,118.68/x
  3. Step 3: Cross multiply
    19,538,604.30x = 26,945,629.98 × 12,197,118.68
  4. Step 4: Simplify right side
    19,538,604.30x = 328,659,046,638,697.88
  5. Step 5: Solve for x
    x = 328,659,046,638,697.88/19,538,604.30
  6. Step 6: Final answer
    x = 16,821,009.40

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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.