Finding the Fourth Proportional to 13,040,799.36, 19,535,752 and 8,539,428.48
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Solution
The fourth proportional to 13,040,799.36, 19,535,752 and 8,539,428.48 is: 12,792,479.39
Step by Step Solution
- Step 1: Write the proportion equation
13,040,799.36 : 19,535,752 = 8,539,428.48 : x - Step 2: Convert to fraction form
13,040,799.36/19,535,752 = 8,539,428.48/x - Step 3: Cross multiply
13,040,799.36x = 19,535,752 × 8,539,428.48 - Step 4: Simplify right side
13,040,799.36x = 166,824,157,007,016.97 - Step 5: Solve for x
x = 166,824,157,007,016.97/13,040,799.36 - Step 6: Final answer
x = 12,792,479.39
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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.