Finding the Fourth Proportional to 8,938,165.74, 13,407,373.16 and 2,548,418.09
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Solution
The fourth proportional to 8,938,165.74, 13,407,373.16 and 2,548,418.09 is: 3,822,662.65
Step by Step Solution
- Step 1: Write the proportion equation
8,938,165.74 : 13,407,373.16 = 2,548,418.09 : x - Step 2: Convert to fraction form
8,938,165.74/13,407,373.16 = 2,548,418.09/x - Step 3: Cross multiply
8,938,165.74x = 13,407,373.16 × 2,548,418.09 - Step 4: Simplify right side
8,938,165.74x = 34,167,592,300,324.46 - Step 5: Solve for x
x = 34,167,592,300,324.46/8,938,165.74 - Step 6: Final answer
x = 3,822,662.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.