Finding the Fourth Proportional to 35,129,641.26, 48,477,863.75 and 19,449,364.59
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Solution
The fourth proportional to 35,129,641.26, 48,477,863.75 and 19,449,364.59 is: 26,839,546.68
Step by Step Solution
- Step 1: Write the proportion equation
35,129,641.26 : 48,477,863.75 = 19,449,364.59 : x - Step 2: Convert to fraction form
35,129,641.26/48,477,863.75 = 19,449,364.59/x - Step 3: Cross multiply
35,129,641.26x = 48,477,863.75 × 19,449,364.59 - Step 4: Simplify right side
35,129,641.26x = 942,863,646,520,847.75 - Step 5: Solve for x
x = 942,863,646,520,847.75/35,129,641.26 - Step 6: Final answer
x = 26,839,546.68
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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.