Finding the Fourth Proportional to 8,249,709.79, 11,384,428.26 and 4,578,413.14
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Solution
The fourth proportional to 8,249,709.79, 11,384,428.26 and 4,578,413.14 is: 6,318,115.09
Step by Step Solution
- Step 1: Write the proportion equation
8,249,709.79 : 11,384,428.26 = 4,578,413.14 : x - Step 2: Convert to fraction form
8,249,709.79/11,384,428.26 = 4,578,413.14/x - Step 3: Cross multiply
8,249,709.79x = 11,384,428.26 × 4,578,413.14 - Step 4: Simplify right side
8,249,709.79x = 52,122,615,936,971.33 - Step 5: Solve for x
x = 52,122,615,936,971.33/8,249,709.79 - Step 6: Final answer
x = 6,318,115.09
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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.