Home / 20,030,080.72-30,079,504.50-12,294,419.58

Finding the Fourth Proportional to 20,030,080.72, 30,079,504.50 and 12,294,419.58

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Solution

The fourth proportional to 20,030,080.72, 30,079,504.50 and 12,294,419.58 is: 18,462,733.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030,080.72 : 30,079,504.50 = 12,294,419.58 : x
  2. Step 2: Convert to fraction form
    20,030,080.72/30,079,504.50 = 12,294,419.58/x
  3. Step 3: Cross multiply
    20,030,080.72x = 30,079,504.50 × 12,294,419.58
  4. Step 4: Simplify right side
    20,030,080.72x = 369,810,049,081,498.12
  5. Step 5: Solve for x
    x = 369,810,049,081,498.12/20,030,080.72
  6. Step 6: Final answer
    x = 18,462,733.84

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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.