Finding the Fourth Proportional to 18,516,972.24, 27,761,999.40 and 7,737,358.32
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Solution
The fourth proportional to 18,516,972.24, 27,761,999.40 and 7,737,358.32 is: 11,600,413.62
Step by Step Solution
- Step 1: Write the proportion equation
18,516,972.24 : 27,761,999.40 = 7,737,358.32 : x - Step 2: Convert to fraction form
18,516,972.24/27,761,999.40 = 7,737,358.32/x - Step 3: Cross multiply
18,516,972.24x = 27,761,999.40 × 7,737,358.32 - Step 4: Simplify right side
18,516,972.24x = 214,804,537,037,425 - Step 5: Solve for x
x = 214,804,537,037,425/18,516,972.24 - Step 6: Final answer
x = 11,600,413.62
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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.