Home / 30,855,358.58-46,283,431.52-21,268,162.94

Finding the Fourth Proportional to 30,855,358.58, 46,283,431.52 and 21,268,162.94

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Solution

The fourth proportional to 30,855,358.58, 46,283,431.52 and 21,268,162.94 is: 31,902,515.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855,358.58 : 46,283,431.52 = 21,268,162.94 : x
  2. Step 2: Convert to fraction form
    30,855,358.58/46,283,431.52 = 21,268,162.94/x
  3. Step 3: Cross multiply
    30,855,358.58x = 46,283,431.52 × 21,268,162.94
  4. Step 4: Simplify right side
    30,855,358.58x = 984,363,562,811,445.12
  5. Step 5: Solve for x
    x = 984,363,562,811,445.12/30,855,358.58
  6. Step 6: Final answer
    x = 31,902,515.75

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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.