Home / 12,127,920.60-18,191,880.90-10,634,928.60

Finding the Fourth Proportional to 12,127,920.60, 18,191,880.90 and 10,634,928.60

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Solution

The fourth proportional to 12,127,920.60, 18,191,880.90 and 10,634,928.60 is: 15,952,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,920.60 : 18,191,880.90 = 10,634,928.60 : x
  2. Step 2: Convert to fraction form
    12,127,920.60/18,191,880.90 = 10,634,928.60/x
  3. Step 3: Cross multiply
    12,127,920.60x = 18,191,880.90 × 10,634,928.60
  4. Step 4: Simplify right side
    12,127,920.60x = 193,469,354,471,203.72
  5. Step 5: Solve for x
    x = 193,469,354,471,203.72/12,127,920.60
  6. Step 6: Final answer
    x = 15,952,392.90

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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.