Home / 12,123,206.30-16,729,893.74-6,616,536.44

Finding the Fourth Proportional to 12,123,206.30, 16,729,893.74 and 6,616,536.44

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Solution

The fourth proportional to 12,123,206.30, 16,729,893.74 and 6,616,536.44 is: 9,130,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,206.30 : 16,729,893.74 = 6,616,536.44 : x
  2. Step 2: Convert to fraction form
    12,123,206.30/16,729,893.74 = 6,616,536.44/x
  3. Step 3: Cross multiply
    12,123,206.30x = 16,729,893.74 × 6,616,536.44
  4. Step 4: Simplify right side
    12,123,206.30x = 110,693,951,451,305.72
  5. Step 5: Solve for x
    x = 110,693,951,451,305.72/12,123,206.30
  6. Step 6: Final answer
    x = 9,130,748.81

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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.