Finding the Fourth Proportional to 10,000,316.64, 13,800,440.88 and 5,416,623.84
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Solution
The fourth proportional to 10,000,316.64, 13,800,440.88 and 5,416,623.84 is: 7,474,943.02
Step by Step Solution
- Step 1: Write the proportion equation
10,000,316.64 : 13,800,440.88 = 5,416,623.84 : x - Step 2: Convert to fraction form
10,000,316.64/13,800,440.88 = 5,416,623.84/x - Step 3: Cross multiply
10,000,316.64x = 13,800,440.88 × 5,416,623.84 - Step 4: Simplify right side
10,000,316.64x = 74,751,797,073,118.58 - Step 5: Solve for x
x = 74,751,797,073,118.58/10,000,316.64 - Step 6: Final answer
x = 7,474,943.02
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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.