Home / 7,101,660.80-10,647,242.40-3,910,390.40

Finding the Fourth Proportional to 7,101,660.80, 10,647,242.40 and 3,910,390.40

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Solution

The fourth proportional to 7,101,660.80, 10,647,242.40 and 3,910,390.40 is: 5,862,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101,660.80 : 10,647,242.40 = 3,910,390.40 : x
  2. Step 2: Convert to fraction form
    7,101,660.80/10,647,242.40 = 3,910,390.40/x
  3. Step 3: Cross multiply
    7,101,660.80x = 10,647,242.40 × 3,910,390.40
  4. Step 4: Simplify right side
    7,101,660.80x = 41,634,874,467,432.96
  5. Step 5: Solve for x
    x = 41,634,874,467,432.96/7,101,660.80
  6. Step 6: Final answer
    x = 5,862,695.45

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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.