Home / 6,990,835.20-10,486,598.40-3,631,603.20

Finding the Fourth Proportional to 6,990,835.20, 10,486,598.40 and 3,631,603.20

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Solution

The fourth proportional to 6,990,835.20, 10,486,598.40 and 3,631,603.20 is: 5,447,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,835.20 : 10,486,598.40 = 3,631,603.20 : x
  2. Step 2: Convert to fraction form
    6,990,835.20/10,486,598.40 = 3,631,603.20/x
  3. Step 3: Cross multiply
    6,990,835.20x = 10,486,598.40 × 3,631,603.20
  4. Step 4: Simplify right side
    6,990,835.20x = 38,083,164,306,554.88
  5. Step 5: Solve for x
    x = 38,083,164,306,554.88/6,990,835.20
  6. Step 6: Final answer
    x = 5,447,584.33

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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.