Finding the Fourth Proportional to 10,115,264.67, 13,960,147.02 and 6,197,620.72
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Solution
The fourth proportional to 10,115,264.67, 13,960,147.02 and 6,197,620.72 is: 8,553,379.40
Step by Step Solution
- Step 1: Write the proportion equation
10,115,264.67 : 13,960,147.02 = 6,197,620.72 : x - Step 2: Convert to fraction form
10,115,264.67/13,960,147.02 = 6,197,620.72/x - Step 3: Cross multiply
10,115,264.67x = 13,960,147.02 × 6,197,620.72 - Step 4: Simplify right side
10,115,264.67x = 86,519,696,425,398.25 - Step 5: Solve for x
x = 86,519,696,425,398.25/10,115,264.67 - Step 6: Final answer
x = 8,553,379.40
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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.