Finding the Fourth Proportional to 10,705,964.37, 14,774,242.28 and 5,811,185.68
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Solution
The fourth proportional to 10,705,964.37, 14,774,242.28 and 5,811,185.68 is: 8,019,442.45
Step by Step Solution
- Step 1: Write the proportion equation
10,705,964.37 : 14,774,242.28 = 5,811,185.68 : x - Step 2: Convert to fraction form
10,705,964.37/14,774,242.28 = 5,811,185.68/x - Step 3: Cross multiply
10,705,964.37x = 14,774,242.28 × 5,811,185.68 - Step 4: Simplify right side
10,705,964.37x = 85,855,865,203,841.19 - Step 5: Solve for x
x = 85,855,865,203,841.19/10,705,964.37 - Step 6: Final answer
x = 8,019,442.45
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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.