Home / 20,595,256.40-30,883,553.40-7,811,512.40

Finding the Fourth Proportional to 20,595,256.40, 30,883,553.40 and 7,811,512.40

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Solution

The fourth proportional to 20,595,256.40, 30,883,553.40 and 7,811,512.40 is: 11,713,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595,256.40 : 30,883,553.40 = 7,811,512.40 : x
  2. Step 2: Convert to fraction form
    20,595,256.40/30,883,553.40 = 7,811,512.40/x
  3. Step 3: Cross multiply
    20,595,256.40x = 30,883,553.40 × 7,811,512.40
  4. Step 4: Simplify right side
    20,595,256.40x = 241,247,260,340,162.16
  5. Step 5: Solve for x
    x = 241,247,260,340,162.16/20,595,256.40
  6. Step 6: Final answer
    x = 11,713,729.40

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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.