Home / 20,196,443.80-30,294,665.70-11,672,392.60

Finding the Fourth Proportional to 20,196,443.80, 30,294,665.70 and 11,672,392.60

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Solution

The fourth proportional to 20,196,443.80, 30,294,665.70 and 11,672,392.60 is: 17,508,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196,443.80 : 30,294,665.70 = 11,672,392.60 : x
  2. Step 2: Convert to fraction form
    20,196,443.80/30,294,665.70 = 11,672,392.60/x
  3. Step 3: Cross multiply
    20,196,443.80x = 30,294,665.70 × 11,672,392.60
  4. Step 4: Simplify right side
    20,196,443.80x = 353,611,231,736,153.81
  5. Step 5: Solve for x
    x = 353,611,231,736,153.81/20,196,443.80
  6. Step 6: Final answer
    x = 17,508,588.90

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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.