Finding the Fourth Proportional to 45,407,805.12, 68,132,965.32 and 19,845,493.02
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Solution
The fourth proportional to 45,407,805.12, 68,132,965.32 and 19,845,493.02 is: 29,777,530.19
Step by Step Solution
- Step 1: Write the proportion equation
45,407,805.12 : 68,132,965.32 = 19,845,493.02 : x - Step 2: Convert to fraction form
45,407,805.12/68,132,965.32 = 19,845,493.02/x - Step 3: Cross multiply
45,407,805.12x = 68,132,965.32 × 19,845,493.02 - Step 4: Simplify right side
45,407,805.12x = 1,352,132,287,689,962 - Step 5: Solve for x
x = 1,352,132,287,689,962/45,407,805.12 - Step 6: Final answer
x = 29,777,530.19
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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.