Finding the Fourth Proportional to 7,721,418.06, 10,656,501.84 and 4,458,227.31
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Solution
The fourth proportional to 7,721,418.06, 10,656,501.84 and 4,458,227.31 is: 6,152,899.27
Step by Step Solution
- Step 1: Write the proportion equation
7,721,418.06 : 10,656,501.84 = 4,458,227.31 : x - Step 2: Convert to fraction form
7,721,418.06/10,656,501.84 = 4,458,227.31/x - Step 3: Cross multiply
7,721,418.06x = 10,656,501.84 × 4,458,227.31 - Step 4: Simplify right side
7,721,418.06x = 47,509,107,532,153.24 - Step 5: Solve for x
x = 47,509,107,532,153.24/7,721,418.06 - Step 6: Final answer
x = 6,152,899.27
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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.