Finding the Fourth Proportional to 10,363,888.05, 15,545,832.08 and 4,969,761.90
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Solution
The fourth proportional to 10,363,888.05, 15,545,832.08 and 4,969,761.90 is: 7,454,642.85
Step by Step Solution
- Step 1: Write the proportion equation
10,363,888.05 : 15,545,832.08 = 4,969,761.90 : x - Step 2: Convert to fraction form
10,363,888.05/15,545,832.08 = 4,969,761.90/x - Step 3: Cross multiply
10,363,888.05x = 15,545,832.08 × 4,969,761.90 - Step 4: Simplify right side
10,363,888.05x = 77,259,083,950,132.94 - Step 5: Solve for x
x = 77,259,083,950,132.94/10,363,888.05 - Step 6: Final answer
x = 7,454,642.85
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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.