Finding the Fourth Proportional to 7,640,614.70, 11,456,978.15 and 2,248,564.99
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Solution
The fourth proportional to 7,640,614.70, 11,456,978.15 and 2,248,564.99 is: 3,371,686.82
Step by Step Solution
- Step 1: Write the proportion equation
7,640,614.70 : 11,456,978.15 = 2,248,564.99 : x - Step 2: Convert to fraction form
7,640,614.70/11,456,978.15 = 2,248,564.99/x - Step 3: Cross multiply
7,640,614.70x = 11,456,978.15 × 2,248,564.99 - Step 4: Simplify right side
7,640,614.70x = 25,761,759,902,000.08 - Step 5: Solve for x
x = 25,761,759,902,000.08/7,640,614.70 - Step 6: Final answer
x = 3,371,686.82
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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.