Finding the Fourth Proportional to 7,769,323.90, 10,721,711.91 and 4,331,778.94
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Solution
The fourth proportional to 7,769,323.90, 10,721,711.91 and 4,331,778.94 is: 5,977,879.99
Step by Step Solution
- Step 1: Write the proportion equation
7,769,323.90 : 10,721,711.91 = 4,331,778.94 : x - Step 2: Convert to fraction form
7,769,323.90/10,721,711.91 = 4,331,778.94/x - Step 3: Cross multiply
7,769,323.90x = 10,721,711.91 × 4,331,778.94 - Step 4: Simplify right side
7,769,323.90x = 46,444,085,852,485.18 - Step 5: Solve for x
x = 46,444,085,852,485.18/7,769,323.90 - Step 6: Final answer
x = 5,977,879.99
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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.