Home / 30,043,839-45,059,452.73-8,473,396.15

Finding the Fourth Proportional to 30,043,839, 45,059,452.73 and 8,473,396.15

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Solution

The fourth proportional to 30,043,839, 45,059,452.73 and 8,473,396.15 is: 12,708,315.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,043,839 : 45,059,452.73 = 8,473,396.15 : x
  2. Step 2: Convert to fraction form
    30,043,839/45,059,452.73 = 8,473,396.15/x
  3. Step 3: Cross multiply
    30,043,839x = 45,059,452.73 × 8,473,396.15
  4. Step 4: Simplify right side
    30,043,839x = 381,806,593,283,489
  5. Step 5: Solve for x
    x = 381,806,593,283,489/30,043,839
  6. Step 6: Final answer
    x = 12,708,315.78

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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.