Finding the Fourth Proportional to 7,792,331.14, 10,753,431.57 and 4,354,572.18
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Solution
The fourth proportional to 7,792,331.14, 10,753,431.57 and 4,354,572.18 is: 6,009,317.77
Step by Step Solution
- Step 1: Write the proportion equation
7,792,331.14 : 10,753,431.57 = 4,354,572.18 : x - Step 2: Convert to fraction form
7,792,331.14/10,753,431.57 = 4,354,572.18/x - Step 3: Cross multiply
7,792,331.14x = 10,753,431.57 × 4,354,572.18 - Step 4: Simplify right side
7,792,331.14x = 46,826,593,954,255.72 - Step 5: Solve for x
x = 46,826,593,954,255.72/7,792,331.14 - Step 6: Final answer
x = 6,009,317.77
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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.