Finding the Fourth Proportional to 10,671,972.21, 14,727,305.01 and 5,777,193.00
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Solution
The fourth proportional to 10,671,972.21, 14,727,305.01 and 5,777,193.00 is: 7,972,517.34
Step by Step Solution
- Step 1: Write the proportion equation
10,671,972.21 : 14,727,305.01 = 5,777,193.00 : x - Step 2: Convert to fraction form
10,671,972.21/14,727,305.01 = 5,777,193.00/x - Step 3: Cross multiply
10,671,972.21x = 14,727,305.01 × 5,777,193.00 - Step 4: Simplify right side
10,671,972.21x = 85,082,483,489,528.80 - Step 5: Solve for x
x = 85,082,483,489,528.80/10,671,972.21 - Step 6: Final answer
x = 7,972,517.34
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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.