Finding the Fourth Proportional to 17,651,871.40, 24,361,559.70 and 10,686,388.28
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Solution
The fourth proportional to 17,651,871.40, 24,361,559.70 and 10,686,388.28 is: 14,748,412.80
Step by Step Solution
- Step 1: Write the proportion equation
17,651,871.40 : 24,361,559.70 = 10,686,388.28 : x - Step 2: Convert to fraction form
17,651,871.40/24,361,559.70 = 10,686,388.28/x - Step 3: Cross multiply
17,651,871.40x = 24,361,559.70 × 10,686,388.28 - Step 4: Simplify right side
17,651,871.40x = 260,337,086,060,600.28 - Step 5: Solve for x
x = 260,337,086,060,600.28/17,651,871.40 - Step 6: Final answer
x = 14,748,412.80
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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.