Home / 12,768,460.20-19,152,690.30-11,174,137.20

Finding the Fourth Proportional to 12,768,460.20, 19,152,690.30 and 11,174,137.20

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Solution

The fourth proportional to 12,768,460.20, 19,152,690.30 and 11,174,137.20 is: 16,761,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,460.20 : 19,152,690.30 = 11,174,137.20 : x
  2. Step 2: Convert to fraction form
    12,768,460.20/19,152,690.30 = 11,174,137.20/x
  3. Step 3: Cross multiply
    12,768,460.20x = 19,152,690.30 × 11,174,137.20
  4. Step 4: Simplify right side
    12,768,460.20x = 214,014,789,161,309.16
  5. Step 5: Solve for x
    x = 214,014,789,161,309.16/12,768,460.20
  6. Step 6: Final answer
    x = 16,761,205.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.