Home / 30,371,272.80-45,560,905.20-11,215,485.60

Finding the Fourth Proportional to 30,371,272.80, 45,560,905.20 and 11,215,485.60

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Solution

The fourth proportional to 30,371,272.80, 45,560,905.20 and 11,215,485.60 is: 16,824,704.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,371,272.80 : 45,560,905.20 = 11,215,485.60 : x
  2. Step 2: Convert to fraction form
    30,371,272.80/45,560,905.20 = 11,215,485.60/x
  3. Step 3: Cross multiply
    30,371,272.80x = 45,560,905.20 × 11,215,485.60
  4. Step 4: Simplify right side
    30,371,272.80x = 510,987,676,193,565.12
  5. Step 5: Solve for x
    x = 510,987,676,193,565.12/30,371,272.80
  6. Step 6: Final answer
    x = 16,824,704.04

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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.