Home / 12,112,485.60-18,194,000.40-10,222,917.60

Finding the Fourth Proportional to 12,112,485.60, 18,194,000.40 and 10,222,917.60

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Solution

The fourth proportional to 12,112,485.60, 18,194,000.40 and 10,222,917.60 is: 15,355,705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,485.60 : 18,194,000.40 = 10,222,917.60 : x
  2. Step 2: Convert to fraction form
    12,112,485.60/18,194,000.40 = 10,222,917.60/x
  3. Step 3: Cross multiply
    12,112,485.60x = 18,194,000.40 × 10,222,917.60
  4. Step 4: Simplify right side
    12,112,485.60x = 185,995,766,903,567.03
  5. Step 5: Solve for x
    x = 185,995,766,903,567.03/12,112,485.60
  6. Step 6: Final answer
    x = 15,355,705.93

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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.