Finding the Fourth Proportional to 14,406,266.16, 19,880,413.65 and 7,879,838.58
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Solution
The fourth proportional to 14,406,266.16, 19,880,413.65 and 7,879,838.58 is: 10,874,049.44
Step by Step Solution
- Step 1: Write the proportion equation
14,406,266.16 : 19,880,413.65 = 7,879,838.58 : x - Step 2: Convert to fraction form
14,406,266.16/19,880,413.65 = 7,879,838.58/x - Step 3: Cross multiply
14,406,266.16x = 19,880,413.65 × 7,879,838.58 - Step 4: Simplify right side
14,406,266.16x = 156,654,450,465,628.59 - Step 5: Solve for x
x = 156,654,450,465,628.59/14,406,266.16 - Step 6: Final answer
x = 10,874,049.44
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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.