Finding the Fourth Proportional to 8,373,316.68, 11,555,456.13 and 4,702,880.07
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Solution
The fourth proportional to 8,373,316.68, 11,555,456.13 and 4,702,880.07 is: 6,490,131.26
Step by Step Solution
- Step 1: Write the proportion equation
8,373,316.68 : 11,555,456.13 = 4,702,880.07 : x - Step 2: Convert to fraction form
8,373,316.68/11,555,456.13 = 4,702,880.07/x - Step 3: Cross multiply
8,373,316.68x = 11,555,456.13 × 4,702,880.07 - Step 4: Simplify right side
8,373,316.68x = 54,343,924,333,536.34 - Step 5: Solve for x
x = 54,343,924,333,536.34/8,373,316.68 - Step 6: Final answer
x = 6,490,131.26
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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.