Finding the Fourth Proportional to 19,936,047.75, 27,511,756.97 and 10,768,690.59
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Solution
The fourth proportional to 19,936,047.75, 27,511,756.97 and 10,768,690.59 is: 14,860,798.99
Step by Step Solution
- Step 1: Write the proportion equation
19,936,047.75 : 27,511,756.97 = 10,768,690.59 : x - Step 2: Convert to fraction form
19,936,047.75/27,511,756.97 = 10,768,690.59/x - Step 3: Cross multiply
19,936,047.75x = 27,511,756.97 × 10,768,690.59 - Step 4: Simplify right side
19,936,047.75x = 296,265,598,343,362.44 - Step 5: Solve for x
x = 296,265,598,343,362.44/19,936,047.75 - Step 6: Final answer
x = 14,860,798.99
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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.