Finding the Fourth Proportional to 9,982,543.40, 14,973,815.10 and 3,251,637.80
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Solution
The fourth proportional to 9,982,543.40, 14,973,815.10 and 3,251,637.80 is: 4,877,456.70
Step by Step Solution
- Step 1: Write the proportion equation
9,982,543.40 : 14,973,815.10 = 3,251,637.80 : x - Step 2: Convert to fraction form
9,982,543.40/14,973,815.10 = 3,251,637.80/x - Step 3: Cross multiply
9,982,543.40x = 14,973,815.10 × 3,251,637.80 - Step 4: Simplify right side
9,982,543.40x = 48,689,423,189,370.77 - Step 5: Solve for x
x = 48,689,423,189,370.77/9,982,543.40 - Step 6: Final answer
x = 4,877,456.70
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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.