Finding the Fourth Proportional to 11,991,372.08, 16,553,497.59 and 7,646,298.80
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Solution
The fourth proportional to 11,991,372.08, 16,553,497.59 and 7,646,298.80 is: 10,555,338.28
Step by Step Solution
- Step 1: Write the proportion equation
11,991,372.08 : 16,553,497.59 = 7,646,298.80 : x - Step 2: Convert to fraction form
11,991,372.08/16,553,497.59 = 7,646,298.80/x - Step 3: Cross multiply
11,991,372.08x = 16,553,497.59 × 7,646,298.80 - Step 4: Simplify right side
11,991,372.08x = 126,572,988,675,452.41 - Step 5: Solve for x
x = 126,572,988,675,452.41/11,991,372.08 - Step 6: Final answer
x = 10,555,338.28
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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.