Home / 19,339,948.20-28,974,930.30-15,322,866.60

Finding the Fourth Proportional to 19,339,948.20, 28,974,930.30 and 15,322,866.60

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Solution

The fourth proportional to 19,339,948.20, 28,974,930.30 and 15,322,866.60 is: 22,956,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339,948.20 : 28,974,930.30 = 15,322,866.60 : x
  2. Step 2: Convert to fraction form
    19,339,948.20/28,974,930.30 = 15,322,866.60/x
  3. Step 3: Cross multiply
    19,339,948.20x = 28,974,930.30 × 15,322,866.60
  4. Step 4: Simplify right side
    19,339,948.20x = 443,978,991,731,198
  5. Step 5: Solve for x
    x = 443,978,991,731,198/19,339,948.20
  6. Step 6: Final answer
    x = 22,956,576.05

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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.