Home / 13,252,512.60-19,878,768.90-12,790,618.20

Finding the Fourth Proportional to 13,252,512.60, 19,878,768.90 and 12,790,618.20

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Solution

The fourth proportional to 13,252,512.60, 19,878,768.90 and 12,790,618.20 is: 19,185,927.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252,512.60 : 19,878,768.90 = 12,790,618.20 : x
  2. Step 2: Convert to fraction form
    13,252,512.60/19,878,768.90 = 12,790,618.20/x
  3. Step 3: Cross multiply
    13,252,512.60x = 19,878,768.90 × 12,790,618.20
  4. Step 4: Simplify right side
    13,252,512.60x = 254,261,743,285,933.94
  5. Step 5: Solve for x
    x = 254,261,743,285,933.94/13,252,512.60
  6. Step 6: Final answer
    x = 19,185,927.30

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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.