Finding the Fourth Proportional to 16,462,541.40, 24,721,805.70 and 12,207,514.20
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Solution
The fourth proportional to 16,462,541.40, 24,721,805.70 and 12,207,514.20 is: 18,332,029.47
Step by Step Solution
- Step 1: Write the proportion equation
16,462,541.40 : 24,721,805.70 = 12,207,514.20 : x - Step 2: Convert to fraction form
16,462,541.40/24,721,805.70 = 12,207,514.20/x - Step 3: Cross multiply
16,462,541.40x = 24,721,805.70 × 12,207,514.20 - Step 4: Simplify right side
16,462,541.40x = 301,791,794,132,390.94 - Step 5: Solve for x
x = 301,791,794,132,390.94/16,462,541.40 - Step 6: Final answer
x = 18,332,029.47
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1.5x scale
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.