Finding the Fourth Proportional to 10,720,374.21, 16,081,174.35 and 3,043,418.58
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Solution
The fourth proportional to 10,720,374.21, 16,081,174.35 and 3,043,418.58 is: 4,565,301.91
Step by Step Solution
- Step 1: Write the proportion equation
10,720,374.21 : 16,081,174.35 = 3,043,418.58 : x - Step 2: Convert to fraction form
10,720,374.21/16,081,174.35 = 3,043,418.58/x - Step 3: Cross multiply
10,720,374.21x = 16,081,174.35 × 3,043,418.58 - Step 4: Simplify right side
10,720,374.21x = 48,941,744,805,009.42 - Step 5: Solve for x
x = 48,941,744,805,009.42/10,720,374.21 - Step 6: Final answer
x = 4,565,301.91
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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.