Finding the Fourth Proportional to 7,998,938.24, 11,038,456.22 and 4,327,774.24
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Solution
The fourth proportional to 7,998,938.24, 11,038,456.22 and 4,327,774.24 is: 5,972,285.95
Step by Step Solution
- Step 1: Write the proportion equation
7,998,938.24 : 11,038,456.22 = 4,327,774.24 : x - Step 2: Convert to fraction form
7,998,938.24/11,038,456.22 = 4,327,774.24/x - Step 3: Cross multiply
7,998,938.24x = 11,038,456.22 × 4,327,774.24 - Step 4: Simplify right side
7,998,938.24x = 47,771,946,478,283.78 - Step 5: Solve for x
x = 47,771,946,478,283.78/7,998,938.24 - Step 6: Final answer
x = 5,972,285.95
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1.5x scale
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.