Finding the Fourth Proportional to 19,936,045.69, 27,511,754.12 and 10,768,688.53
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Solution
The fourth proportional to 19,936,045.69, 27,511,754.12 and 10,768,688.53 is: 14,860,796.15
Step by Step Solution
- Step 1: Write the proportion equation
19,936,045.69 : 27,511,754.12 = 10,768,688.53 : x - Step 2: Convert to fraction form
19,936,045.69/27,511,754.12 = 10,768,688.53/x - Step 3: Cross multiply
19,936,045.69x = 27,511,754.12 × 10,768,688.53 - Step 4: Simplify right side
19,936,045.69x = 296,265,510,949,984 - Step 5: Solve for x
x = 296,265,510,949,984/19,936,045.69 - Step 6: Final answer
x = 14,860,796.15
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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.