Finding the Fourth Proportional to 10,392,526.96, 15,479,204.16 and 9,926,236.80
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Solution
The fourth proportional to 10,392,526.96, 15,479,204.16 and 9,926,236.80 is: 14,784,685.82
Step by Step Solution
- Step 1: Write the proportion equation
10,392,526.96 : 15,479,204.16 = 9,926,236.80 : x - Step 2: Convert to fraction form
10,392,526.96/15,479,204.16 = 9,926,236.80/x - Step 3: Cross multiply
10,392,526.96x = 15,479,204.16 × 9,926,236.80 - Step 4: Simplify right side
10,392,526.96x = 153,650,245,967,705.09 - Step 5: Solve for x
x = 153,650,245,967,705.09/10,392,526.96 - Step 6: Final answer
x = 14,784,685.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.