Finding the Fourth Proportional to 7,542,014.16, 10,407,940.18 and 4,104,279.80
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Solution
The fourth proportional to 7,542,014.16, 10,407,940.18 and 4,104,279.80 is: 5,663,884.70
Step by Step Solution
- Step 1: Write the proportion equation
7,542,014.16 : 10,407,940.18 = 4,104,279.80 : x - Step 2: Convert to fraction form
7,542,014.16/10,407,940.18 = 4,104,279.80/x - Step 3: Cross multiply
7,542,014.16x = 10,407,940.18 × 4,104,279.80 - Step 4: Simplify right side
7,542,014.16x = 42,717,098,582,068.79 - Step 5: Solve for x
x = 42,717,098,582,068.79/7,542,014.16 - Step 6: Final answer
x = 5,663,884.70
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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.