Finding the Fourth Proportional to 51,419,323.34, 77,129,436.99 and 13,080,878
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Solution
The fourth proportional to 51,419,323.34, 77,129,436.99 and 13,080,878 is: 19,621,431.98
Step by Step Solution
- Step 1: Write the proportion equation
51,419,323.34 : 77,129,436.99 = 13,080,878 : x - Step 2: Convert to fraction form
51,419,323.34/77,129,436.99 = 13,080,878/x - Step 3: Cross multiply
51,419,323.34x = 77,129,436.99 × 13,080,878 - Step 4: Simplify right side
51,419,323.34x = 1,008,920,755,474,877.12 - Step 5: Solve for x
x = 1,008,920,755,474,877.12/51,419,323.34 - Step 6: Final answer
x = 19,621,431.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.