Finding the Fourth Proportional to 10,998,708.05, 16,497,092.95 and 4,931,811.50
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Solution
The fourth proportional to 10,998,708.05, 16,497,092.95 and 4,931,811.50 is: 7,397,282.68
Step by Step Solution
- Step 1: Write the proportion equation
10,998,708.05 : 16,497,092.95 = 4,931,811.50 : x - Step 2: Convert to fraction form
10,998,708.05/16,497,092.95 = 4,931,811.50/x - Step 3: Cross multiply
10,998,708.05x = 16,497,092.95 × 4,931,811.50 - Step 4: Simplify right side
10,998,708.05x = 81,360,552,632,563.94 - Step 5: Solve for x
x = 81,360,552,632,563.94/10,998,708.05 - Step 6: Final answer
x = 7,397,282.68
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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.