Finding the Fourth Proportional to 14,479,671.07, 19,985,426.22 and 8,288,306.88
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Solution
The fourth proportional to 14,479,671.07, 19,985,426.22 and 8,288,306.88 is: 11,439,855.56
Step by Step Solution
- Step 1: Write the proportion equation
14,479,671.07 : 19,985,426.22 = 8,288,306.88 : x - Step 2: Convert to fraction form
14,479,671.07/19,985,426.22 = 8,288,306.88/x - Step 3: Cross multiply
14,479,671.07x = 19,985,426.22 × 8,288,306.88 - Step 4: Simplify right side
14,479,671.07x = 165,645,345,539,031.25 - Step 5: Solve for x
x = 165,645,345,539,031.25/14,479,671.07 - Step 6: Final answer
x = 11,439,855.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.