Finding the Fourth Proportional to 19,721,651.68, 29,581,074.48 and 6,073,374.88
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Solution
The fourth proportional to 19,721,651.68, 29,581,074.48 and 6,073,374.88 is: 9,109,630.25
Step by Step Solution
- Step 1: Write the proportion equation
19,721,651.68 : 29,581,074.48 = 6,073,374.88 : x - Step 2: Convert to fraction form
19,721,651.68/29,581,074.48 = 6,073,374.88/x - Step 3: Cross multiply
19,721,651.68x = 29,581,074.48 × 6,073,374.88 - Step 4: Simplify right side
19,721,651.68x = 179,656,954,670,241.06 - Step 5: Solve for x
x = 179,656,954,670,241.06/19,721,651.68 - Step 6: Final answer
x = 9,109,630.25
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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.