Home / 20,736,024.70-31,104,037.05-7,271,103.10

Finding the Fourth Proportional to 20,736,024.70, 31,104,037.05 and 7,271,103.10

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Solution

The fourth proportional to 20,736,024.70, 31,104,037.05 and 7,271,103.10 is: 10,906,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,024.70 : 31,104,037.05 = 7,271,103.10 : x
  2. Step 2: Convert to fraction form
    20,736,024.70/31,104,037.05 = 7,271,103.10/x
  3. Step 3: Cross multiply
    20,736,024.70x = 31,104,037.05 × 7,271,103.10
  4. Step 4: Simplify right side
    20,736,024.70x = 226,160,660,216,769.84
  5. Step 5: Solve for x
    x = 226,160,660,216,769.84/20,736,024.70
  6. Step 6: Final answer
    x = 10,906,654.65

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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.