Finding the Fourth Proportional to 18,214,801.97, 27,318,179.48 and 5,258,136.74
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Solution
The fourth proportional to 18,214,801.97, 27,318,179.48 and 5,258,136.74 is: 7,886,043.63
Step by Step Solution
- Step 1: Write the proportion equation
18,214,801.97 : 27,318,179.48 = 5,258,136.74 : x - Step 2: Convert to fraction form
18,214,801.97/27,318,179.48 = 5,258,136.74/x - Step 3: Cross multiply
18,214,801.97x = 27,318,179.48 × 5,258,136.74 - Step 4: Simplify right side
18,214,801.97x = 143,642,723,030,820.53 - Step 5: Solve for x
x = 143,642,723,030,820.53/18,214,801.97 - Step 6: Final answer
x = 7,886,043.63
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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.