Finding the Fourth Proportional to 7,998,936.74, 11,038,454.16 and 4,327,772.75
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Solution
The fourth proportional to 7,998,936.74, 11,038,454.16 and 4,327,772.75 is: 5,972,283.90
Step by Step Solution
- Step 1: Write the proportion equation
7,998,936.74 : 11,038,454.16 = 4,327,772.75 : x - Step 2: Convert to fraction form
7,998,936.74/11,038,454.16 = 4,327,772.75/x - Step 3: Cross multiply
7,998,936.74x = 11,038,454.16 × 4,327,772.75 - Step 4: Simplify right side
7,998,936.74x = 47,771,921,115,772.14 - Step 5: Solve for x
x = 47,771,921,115,772.14/7,998,936.74 - Step 6: Final answer
x = 5,972,283.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.