Finding the Fourth Proportional to 7,938,320.86, 11,906,060.81 and 2,102,546.46
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Solution
The fourth proportional to 7,938,320.86, 11,906,060.81 and 2,102,546.46 is: 3,153,443.46
Step by Step Solution
- Step 1: Write the proportion equation
7,938,320.86 : 11,906,060.81 = 2,102,546.46 : x - Step 2: Convert to fraction form
7,938,320.86/11,906,060.81 = 2,102,546.46/x - Step 3: Cross multiply
7,938,320.86x = 11,906,060.81 × 2,102,546.46 - Step 4: Simplify right side
7,938,320.86x = 25,033,046,042,745.23 - Step 5: Solve for x
x = 25,033,046,042,745.23/7,938,320.86 - Step 6: Final answer
x = 3,153,443.46
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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.