Finding the Fourth Proportional to 10,917,123.84, 16,343,968.32 and 6,354,244.80
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Solution
The fourth proportional to 10,917,123.84, 16,343,968.32 and 6,354,244.80 is: 9,512,906.26
Step by Step Solution
- Step 1: Write the proportion equation
10,917,123.84 : 16,343,968.32 = 6,354,244.80 : x - Step 2: Convert to fraction form
10,917,123.84/16,343,968.32 = 6,354,244.80/x - Step 3: Cross multiply
10,917,123.84x = 16,343,968.32 × 6,354,244.80 - Step 4: Simplify right side
10,917,123.84x = 103,853,575,708,724.73 - Step 5: Solve for x
x = 103,853,575,708,724.73/10,917,123.84 - Step 6: Final answer
x = 9,512,906.26
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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.