Finding the Fourth Proportional to 20,270,642.67, 30,411,146.93 and 5,893,710.44
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Solution
The fourth proportional to 20,270,642.67, 30,411,146.93 and 5,893,710.44 is: 8,842,072.59
Step by Step Solution
- Step 1: Write the proportion equation
20,270,642.67 : 30,411,146.93 = 5,893,710.44 : x - Step 2: Convert to fraction form
20,270,642.67/30,411,146.93 = 5,893,710.44/x - Step 3: Cross multiply
20,270,642.67x = 30,411,146.93 × 5,893,710.44 - Step 4: Simplify right side
20,270,642.67x = 179,234,493,972,190.66 - Step 5: Solve for x
x = 179,234,493,972,190.66/20,270,642.67 - Step 6: Final answer
x = 8,842,072.59
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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.