Finding the Fourth Proportional to 42,201,493.62, 63,293,382.94 and 11,902,270.74
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Solution
The fourth proportional to 42,201,493.62, 63,293,382.94 and 11,902,270.74 is: 17,850,907.99
Step by Step Solution
- Step 1: Write the proportion equation
42,201,493.62 : 63,293,382.94 = 11,902,270.74 : x - Step 2: Convert to fraction form
42,201,493.62/63,293,382.94 = 11,902,270.74/x - Step 3: Cross multiply
42,201,493.62x = 63,293,382.94 × 11,902,270.74 - Step 4: Simplify right side
42,201,493.62x = 753,334,979,802,377.12 - Step 5: Solve for x
x = 753,334,979,802,377.12/42,201,493.62 - Step 6: Final answer
x = 17,850,907.99
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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.