Finding the Fourth Proportional to 10,149,636.80, 15,227,264.58 and 4,686,403.28
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Solution
The fourth proportional to 10,149,636.80, 15,227,264.58 and 4,686,403.28 is: 7,030,902.09
Step by Step Solution
- Step 1: Write the proportion equation
10,149,636.80 : 15,227,264.58 = 4,686,403.28 : x - Step 2: Convert to fraction form
10,149,636.80/15,227,264.58 = 4,686,403.28/x - Step 3: Cross multiply
10,149,636.80x = 15,227,264.58 × 4,686,403.28 - Step 4: Simplify right side
10,149,636.80x = 71,361,102,597,003.50 - Step 5: Solve for x
x = 71,361,102,597,003.50/10,149,636.80 - Step 6: Final answer
x = 7,030,902.09
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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.