Finding the Fourth Proportional to 21,354,170.36, 29,468,390.96 and 11,564,535.04
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Solution
The fourth proportional to 21,354,170.36, 29,468,390.96 and 11,564,535.04 is: 15,958,861.15
Step by Step Solution
- Step 1: Write the proportion equation
21,354,170.36 : 29,468,390.96 = 11,564,535.04 : x - Step 2: Convert to fraction form
21,354,170.36/29,468,390.96 = 11,564,535.04/x - Step 3: Cross multiply
21,354,170.36x = 29,468,390.96 × 11,564,535.04 - Step 4: Simplify right side
21,354,170.36x = 340,788,239,829,339.25 - Step 5: Solve for x
x = 340,788,239,829,339.25/21,354,170.36 - Step 6: Final answer
x = 15,958,861.15
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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.