Finding the Fourth Proportional to 18,213,828.80, 27,317,750.60 and 6,539,784.08
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Solution
The fourth proportional to 18,213,828.80, 27,317,750.60 and 6,539,784.08 is: 9,808,601.61
Step by Step Solution
- Step 1: Write the proportion equation
18,213,828.80 : 27,317,750.60 = 6,539,784.08 : x - Step 2: Convert to fraction form
18,213,828.80/27,317,750.60 = 6,539,784.08/x - Step 3: Cross multiply
18,213,828.80x = 27,317,750.60 × 6,539,784.08 - Step 4: Simplify right side
18,213,828.80x = 178,652,190,475,290.47 - Step 5: Solve for x
x = 178,652,190,475,290.47/18,213,828.80 - Step 6: Final answer
x = 9,808,601.61
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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.