Finding the Fourth Proportional to 17,502,458.40, 26,211,697.20 and 8,516,512.80
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Solution
The fourth proportional to 17,502,458.40, 26,211,697.20 and 8,516,512.80 is: 12,754,337.11
Step by Step Solution
- Step 1: Write the proportion equation
17,502,458.40 : 26,211,697.20 = 8,516,512.80 : x - Step 2: Convert to fraction form
17,502,458.40/26,211,697.20 = 8,516,512.80/x - Step 3: Cross multiply
17,502,458.40x = 26,211,697.20 × 8,516,512.80 - Step 4: Simplify right side
17,502,458.40x = 223,232,254,713,524.19 - Step 5: Solve for x
x = 223,232,254,713,524.19/17,502,458.40 - Step 6: Final answer
x = 12,754,337.11
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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.