Finding the Fourth Proportional to 7,486,991.29, 10,332,047.95 and 4,049,232.32
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Solution
The fourth proportional to 7,486,991.29, 10,332,047.95 and 4,049,232.32 is: 5,587,940.59
Step by Step Solution
- Step 1: Write the proportion equation
7,486,991.29 : 10,332,047.95 = 4,049,232.32 : x - Step 2: Convert to fraction form
7,486,991.29/10,332,047.95 = 4,049,232.32/x - Step 3: Cross multiply
7,486,991.29x = 10,332,047.95 × 4,049,232.32 - Step 4: Simplify right side
7,486,991.29x = 41,836,862,506,636.78 - Step 5: Solve for x
x = 41,836,862,506,636.78/7,486,991.29 - Step 6: Final answer
x = 5,587,940.59
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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.