Finding the Fourth Proportional to 14,820,648.19, 20,452,494.51 and 8,037,672.19
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Solution
The fourth proportional to 14,820,648.19, 20,452,494.51 and 8,037,672.19 is: 11,091,987.62
Step by Step Solution
- Step 1: Write the proportion equation
14,820,648.19 : 20,452,494.51 = 8,037,672.19 : x - Step 2: Convert to fraction form
14,820,648.19/20,452,494.51 = 8,037,672.19/x - Step 3: Cross multiply
14,820,648.19x = 20,452,494.51 × 8,037,672.19 - Step 4: Simplify right side
14,820,648.19x = 164,390,446,288,023.47 - Step 5: Solve for x
x = 164,390,446,288,023.47/14,820,648.19 - Step 6: Final answer
x = 11,091,987.62
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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.