Finding the Fourth Proportional to 19,162,844.20, 28,744,266.30 and 9,579,701.80
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Solution
The fourth proportional to 19,162,844.20, 28,744,266.30 and 9,579,701.80 is: 14,369,552.70
Step by Step Solution
- Step 1: Write the proportion equation
19,162,844.20 : 28,744,266.30 = 9,579,701.80 : x - Step 2: Convert to fraction form
19,162,844.20/28,744,266.30 = 9,579,701.80/x - Step 3: Cross multiply
19,162,844.20x = 28,744,266.30 × 9,579,701.80 - Step 4: Simplify right side
19,162,844.20x = 275,361,499,613,789.38 - Step 5: Solve for x
x = 275,361,499,613,789.38/19,162,844.20 - Step 6: Final answer
x = 14,369,552.70
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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.