Finding the Fourth Proportional to 18,424,805.52, 27,640,750.64 and 7,064,368.08
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Solution
The fourth proportional to 18,424,805.52, 27,640,750.64 and 7,064,368.08 is: 10,597,910.32
Step by Step Solution
- Step 1: Write the proportion equation
18,424,805.52 : 27,640,750.64 = 7,064,368.08 : x - Step 2: Convert to fraction form
18,424,805.52/27,640,750.64 = 7,064,368.08/x - Step 3: Cross multiply
18,424,805.52x = 27,640,750.64 × 7,064,368.08 - Step 4: Simplify right side
18,424,805.52x = 195,264,436,528,455.56 - Step 5: Solve for x
x = 195,264,436,528,455.56/18,424,805.52 - Step 6: Final answer
x = 10,597,910.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.