Finding the Fourth Proportional to 7,375,982.16, 11,057,662.56 and 2,830,293.06
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Solution
The fourth proportional to 7,375,982.16, 11,057,662.56 and 2,830,293.06 is: 4,243,018.07
Step by Step Solution
- Step 1: Write the proportion equation
7,375,982.16 : 11,057,662.56 = 2,830,293.06 : x - Step 2: Convert to fraction form
7,375,982.16/11,057,662.56 = 2,830,293.06/x - Step 3: Cross multiply
7,375,982.16x = 11,057,662.56 × 2,830,293.06 - Step 4: Simplify right side
7,375,982.16x = 31,296,425,603,389.84 - Step 5: Solve for x
x = 31,296,425,603,389.84/7,375,982.16 - Step 6: Final answer
x = 4,243,018.07
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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.