Finding the Fourth Proportional to 11,934,957.98, 16,473,142.70 and 7,292,652.18
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Solution
The fourth proportional to 11,934,957.98, 16,473,142.70 and 7,292,652.18 is: 10,065,632.43
Step by Step Solution
- Step 1: Write the proportion equation
11,934,957.98 : 16,473,142.70 = 7,292,652.18 : x - Step 2: Convert to fraction form
11,934,957.98/16,473,142.70 = 7,292,652.18/x - Step 3: Cross multiply
11,934,957.98x = 16,473,142.70 × 7,292,652.18 - Step 4: Simplify right side
11,934,957.98x = 120,132,899,986,142.83 - Step 5: Solve for x
x = 120,132,899,986,142.83/11,934,957.98 - Step 6: Final answer
x = 10,065,632.43
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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.