Finding the Fourth Proportional to 18,343,886.60, 27,512,330.70 and 5,564,808.20
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Solution
The fourth proportional to 18,343,886.60, 27,512,330.70 and 5,564,808.20 is: 8,346,150.78
Step by Step Solution
- Step 1: Write the proportion equation
18,343,886.60 : 27,512,330.70 = 5,564,808.20 : x - Step 2: Convert to fraction form
18,343,886.60/27,512,330.70 = 5,564,808.20/x - Step 3: Cross multiply
18,343,886.60x = 27,512,330.70 × 5,564,808.20 - Step 4: Simplify right side
18,343,886.60x = 153,100,843,480,471.75 - Step 5: Solve for x
x = 153,100,843,480,471.75/18,343,886.60 - Step 6: Final answer
x = 8,346,150.78
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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.