Finding the Fourth Proportional to 11,243,028.99, 15,515,376.75 and 6,086,386.74
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Solution
The fourth proportional to 11,243,028.99, 15,515,376.75 and 6,086,386.74 is: 8,399,211.94
Step by Step Solution
- Step 1: Write the proportion equation
11,243,028.99 : 15,515,376.75 = 6,086,386.74 : x - Step 2: Convert to fraction form
11,243,028.99/15,515,376.75 = 6,086,386.74/x - Step 3: Cross multiply
11,243,028.99x = 15,515,376.75 × 6,086,386.74 - Step 4: Simplify right side
11,243,028.99x = 94,432,583,317,304.30 - Step 5: Solve for x
x = 94,432,583,317,304.30/11,243,028.99 - Step 6: Final answer
x = 8,399,211.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.