Finding the Fourth Proportional to 7,119,413.29, 10,675,926.87 and 4,242,135.95
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Solution
The fourth proportional to 7,119,413.29, 10,675,926.87 and 4,242,135.95 is: 6,361,301.32
Step by Step Solution
- Step 1: Write the proportion equation
7,119,413.29 : 10,675,926.87 = 4,242,135.95 : x - Step 2: Convert to fraction form
7,119,413.29/10,675,926.87 = 4,242,135.95/x - Step 3: Cross multiply
7,119,413.29x = 10,675,926.87 × 4,242,135.95 - Step 4: Simplify right side
7,119,413.29x = 45,288,733,145,545.07 - Step 5: Solve for x
x = 45,288,733,145,545.07/7,119,413.29 - Step 6: Final answer
x = 6,361,301.32
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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.