Finding the Fourth Proportional to 7,407,232.80, 10,222,378.24 and 4,143,852.80
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Solution
The fourth proportional to 7,407,232.80, 10,222,378.24 and 4,143,852.80 is: 5,718,738.95
Step by Step Solution
- Step 1: Write the proportion equation
7,407,232.80 : 10,222,378.24 = 4,143,852.80 : x - Step 2: Convert to fraction form
7,407,232.80/10,222,378.24 = 4,143,852.80/x - Step 3: Cross multiply
7,407,232.80x = 10,222,378.24 × 4,143,852.80 - Step 4: Simplify right side
7,407,232.80x = 42,360,030,692,483.07 - Step 5: Solve for x
x = 42,360,030,692,483.07/7,407,232.80 - Step 6: Final answer
x = 5,718,738.95
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1.5x scale
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.