Finding the Fourth Proportional to 6,137,163.12, 8,472,913.72 and 5,456,214.76
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Solution
The fourth proportional to 6,137,163.12, 8,472,913.72 and 5,456,214.76 is: 7,532,802.37
Step by Step Solution
- Step 1: Write the proportion equation
6,137,163.12 : 8,472,913.72 = 5,456,214.76 : x - Step 2: Convert to fraction form
6,137,163.12/8,472,913.72 = 5,456,214.76/x - Step 3: Cross multiply
6,137,163.12x = 8,472,913.72 × 5,456,214.76 - Step 4: Simplify right side
6,137,163.12x = 46,230,036,899,270.51 - Step 5: Solve for x
x = 46,230,036,899,270.51/6,137,163.12 - Step 6: Final answer
x = 7,532,802.37
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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.