Finding the Fourth Proportional to 9,566,729.42, 13,201,908.84 and 5,215,853.30
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Solution
The fourth proportional to 9,566,729.42, 13,201,908.84 and 5,215,853.30 is: 7,197,780.63
Step by Step Solution
- Step 1: Write the proportion equation
9,566,729.42 : 13,201,908.84 = 5,215,853.30 : x - Step 2: Convert to fraction form
9,566,729.42/13,201,908.84 = 5,215,853.30/x - Step 3: Cross multiply
9,566,729.42x = 13,201,908.84 × 5,215,853.30 - Step 4: Simplify right side
9,566,729.42x = 68,859,219,723,403.62 - Step 5: Solve for x
x = 68,859,219,723,403.62/9,566,729.42 - Step 6: Final answer
x = 7,197,780.63
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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.