Finding the Fourth Proportional to 19,586,413.18, 29,379,582.06 and 5,209,496.11
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Solution
The fourth proportional to 19,586,413.18, 29,379,582.06 and 5,209,496.11 is: 7,814,234.14
Step by Step Solution
- Step 1: Write the proportion equation
19,586,413.18 : 29,379,582.06 = 5,209,496.11 : x - Step 2: Convert to fraction form
19,586,413.18/29,379,582.06 = 5,209,496.11/x - Step 3: Cross multiply
19,586,413.18x = 29,379,582.06 × 5,209,496.11 - Step 4: Simplify right side
19,586,413.18x = 153,052,818,454,995.78 - Step 5: Solve for x
x = 153,052,818,454,995.78/19,586,413.18 - Step 6: Final answer
x = 7,814,234.14
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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.