Finding the Fourth Proportional to 10,888,761.08, 16,331,897.46 and 2,911,207.16
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Solution
The fourth proportional to 10,888,761.08, 16,331,897.46 and 2,911,207.16 is: 4,366,478.10
Step by Step Solution
- Step 1: Write the proportion equation
10,888,761.08 : 16,331,897.46 = 2,911,207.16 : x - Step 2: Convert to fraction form
10,888,761.08/16,331,897.46 = 2,911,207.16/x - Step 3: Cross multiply
10,888,761.08x = 16,331,897.46 × 2,911,207.16 - Step 4: Simplify right side
10,888,761.08x = 47,545,536,821,937.82 - Step 5: Solve for x
x = 47,545,536,821,937.82/10,888,761.08 - Step 6: Final answer
x = 4,366,478.10
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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.