Home / 13,615,060.60-20,422,590.90-12,775,252.60

Finding the Fourth Proportional to 13,615,060.60, 20,422,590.90 and 12,775,252.60

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Solution

The fourth proportional to 13,615,060.60, 20,422,590.90 and 12,775,252.60 is: 19,162,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,615,060.60 : 20,422,590.90 = 12,775,252.60 : x
  2. Step 2: Convert to fraction form
    13,615,060.60/20,422,590.90 = 12,775,252.60/x
  3. Step 3: Cross multiply
    13,615,060.60x = 20,422,590.90 × 12,775,252.60
  4. Step 4: Simplify right side
    13,615,060.60x = 260,903,757,493,961.31
  5. Step 5: Solve for x
    x = 260,903,757,493,961.31/13,615,060.60
  6. Step 6: Final answer
    x = 19,162,878.90

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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.