Home / 18,125,674.40-27,188,511.60-12,740,405.60

Finding the Fourth Proportional to 18,125,674.40, 27,188,511.60 and 12,740,405.60

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Solution

The fourth proportional to 18,125,674.40, 27,188,511.60 and 12,740,405.60 is: 19,110,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,674.40 : 27,188,511.60 = 12,740,405.60 : x
  2. Step 2: Convert to fraction form
    18,125,674.40/27,188,511.60 = 12,740,405.60/x
  3. Step 3: Cross multiply
    18,125,674.40x = 27,188,511.60 × 12,740,405.60
  4. Step 4: Simplify right side
    18,125,674.40x = 346,392,665,444,305
  5. Step 5: Solve for x
    x = 346,392,665,444,305/18,125,674.40
  6. Step 6: Final answer
    x = 19,110,608.40

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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.