Finding the Fourth Proportional to 11,301,781.84, 15,596,653.84 and 6,145,178.20
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Solution
The fourth proportional to 11,301,781.84, 15,596,653.84 and 6,145,178.20 is: 8,480,451.89
Step by Step Solution
- Step 1: Write the proportion equation
11,301,781.84 : 15,596,653.84 = 6,145,178.20 : x - Step 2: Convert to fraction form
11,301,781.84/15,596,653.84 = 6,145,178.20/x - Step 3: Cross multiply
11,301,781.84x = 15,596,653.84 × 6,145,178.20 - Step 4: Simplify right side
11,301,781.84x = 95,844,217,170,514.30 - Step 5: Solve for x
x = 95,844,217,170,514.30/11,301,781.84 - Step 6: Final answer
x = 8,480,451.89
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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.