Home / 30,329,882.40-45,494,823.60-8,765,187.60

Finding the Fourth Proportional to 30,329,882.40, 45,494,823.60 and 8,765,187.60

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Solution

The fourth proportional to 30,329,882.40, 45,494,823.60 and 8,765,187.60 is: 13,147,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329,882.40 : 45,494,823.60 = 8,765,187.60 : x
  2. Step 2: Convert to fraction form
    30,329,882.40/45,494,823.60 = 8,765,187.60/x
  3. Step 3: Cross multiply
    30,329,882.40x = 45,494,823.60 × 8,765,187.60
  4. Step 4: Simplify right side
    30,329,882.40x = 398,770,663,682,907.38
  5. Step 5: Solve for x
    x = 398,770,663,682,907.38/30,329,882.40
  6. Step 6: Final answer
    x = 13,147,781.40

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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.