Home / 12,365,999.70-18,548,999.55-10,996,062.90

Finding the Fourth Proportional to 12,365,999.70, 18,548,999.55 and 10,996,062.90

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Solution

The fourth proportional to 12,365,999.70, 18,548,999.55 and 10,996,062.90 is: 16,494,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365,999.70 : 18,548,999.55 = 10,996,062.90 : x
  2. Step 2: Convert to fraction form
    12,365,999.70/18,548,999.55 = 10,996,062.90/x
  3. Step 3: Cross multiply
    12,365,999.70x = 18,548,999.55 × 10,996,062.90
  4. Step 4: Simplify right side
    12,365,999.70x = 203,965,965,783,871.72
  5. Step 5: Solve for x
    x = 203,965,965,783,871.72/12,365,999.70
  6. Step 6: Final answer
    x = 16,494,094.35

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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.