Home / 12,127,912.60-18,191,868.90-10,634,920.60

Finding the Fourth Proportional to 12,127,912.60, 18,191,868.90 and 10,634,920.60

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Solution

The fourth proportional to 12,127,912.60, 18,191,868.90 and 10,634,920.60 is: 15,952,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,912.60 : 18,191,868.90 = 10,634,920.60 : x
  2. Step 2: Convert to fraction form
    12,127,912.60/18,191,868.90 = 10,634,920.60/x
  3. Step 3: Cross multiply
    12,127,912.60x = 18,191,868.90 × 10,634,920.60
  4. Step 4: Simplify right side
    12,127,912.60x = 193,469,081,317,109.31
  5. Step 5: Solve for x
    x = 193,469,081,317,109.31/12,127,912.60
  6. Step 6: Final answer
    x = 15,952,380.90

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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.