Finding the Fourth Proportional to 35,129,663.85, 48,477,894.89 and 19,449,387.26
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Solution
The fourth proportional to 35,129,663.85, 48,477,894.89 and 19,449,387.26 is: 26,839,577.94
Step by Step Solution
- Step 1: Write the proportion equation
35,129,663.85 : 48,477,894.89 = 19,449,387.26 : x - Step 2: Convert to fraction form
35,129,663.85/48,477,894.89 = 19,449,387.26/x - Step 3: Cross multiply
35,129,663.85x = 48,477,894.89 × 19,449,387.26 - Step 4: Simplify right side
35,129,663.85x = 942,865,350,925,548.62 - Step 5: Solve for x
x = 942,865,350,925,548.62/35,129,663.85 - Step 6: Final answer
x = 26,839,577.94
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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.