Finding the Fourth Proportional to 19,584,029.80, 29,376,044.70 and 8,220,701.80
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Solution
The fourth proportional to 19,584,029.80, 29,376,044.70 and 8,220,701.80 is: 12,331,052.70
Step by Step Solution
- Step 1: Write the proportion equation
19,584,029.80 : 29,376,044.70 = 8,220,701.80 : x - Step 2: Convert to fraction form
19,584,029.80/29,376,044.70 = 8,220,701.80/x - Step 3: Cross multiply
19,584,029.80x = 29,376,044.70 × 8,220,701.80 - Step 4: Simplify right side
19,584,029.80x = 241,491,703,542,170.44 - Step 5: Solve for x
x = 241,491,703,542,170.44/19,584,029.80 - Step 6: Final answer
x = 12,331,052.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.