Finding the Fourth Proportional to 10,006,464.42, 13,810,402.05 and 6,335,721.63
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Solution
The fourth proportional to 10,006,464.42, 13,810,402.05 and 6,335,721.63 is: 8,744,233.66
Step by Step Solution
- Step 1: Write the proportion equation
10,006,464.42 : 13,810,402.05 = 6,335,721.63 : x - Step 2: Convert to fraction form
10,006,464.42/13,810,402.05 = 6,335,721.63/x - Step 3: Cross multiply
10,006,464.42x = 13,810,402.05 × 6,335,721.63 - Step 4: Simplify right side
10,006,464.42x = 87,498,862,987,181.34 - Step 5: Solve for x
x = 87,498,862,987,181.34/10,006,464.42 - Step 6: Final answer
x = 8,744,233.66
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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.