Finding the Fourth Proportional to 19,950,479.28, 27,531,773.64 and 12,611,539.08
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Solution
The fourth proportional to 19,950,479.28, 27,531,773.64 and 12,611,539.08 is: 17,403,994.88
Step by Step Solution
- Step 1: Write the proportion equation
19,950,479.28 : 27,531,773.64 = 12,611,539.08 : x - Step 2: Convert to fraction form
19,950,479.28/27,531,773.64 = 12,611,539.08/x - Step 3: Cross multiply
19,950,479.28x = 27,531,773.64 × 12,611,539.08 - Step 4: Simplify right side
19,950,479.28x = 347,218,039,202,573.88 - Step 5: Solve for x
x = 347,218,039,202,573.88/19,950,479.28 - Step 6: Final answer
x = 17,403,994.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.