Finding the Fourth Proportional to 19,675,232.20, 29,512,848.30 and 18,163,577.80
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Solution
The fourth proportional to 19,675,232.20, 29,512,848.30 and 18,163,577.80 is: 27,245,366.70
Step by Step Solution
- Step 1: Write the proportion equation
19,675,232.20 : 29,512,848.30 = 18,163,577.80 : x - Step 2: Convert to fraction form
19,675,232.20/29,512,848.30 = 18,163,577.80/x - Step 3: Cross multiply
19,675,232.20x = 29,512,848.30 × 18,163,577.80 - Step 4: Simplify right side
19,675,232.20x = 536,058,916,196,647.75 - Step 5: Solve for x
x = 536,058,916,196,647.75/19,675,232.20 - Step 6: Final answer
x = 27,245,366.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.