Finding the Fourth Proportional to 13,863,348.21, 20,797,014.93 and 4,279,547.28
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Solution
The fourth proportional to 13,863,348.21, 20,797,014.93 and 4,279,547.28 is: 6,419,936.03
Step by Step Solution
- Step 1: Write the proportion equation
13,863,348.21 : 20,797,014.93 = 4,279,547.28 : x - Step 2: Convert to fraction form
13,863,348.21/20,797,014.93 = 4,279,547.28/x - Step 3: Cross multiply
13,863,348.21x = 20,797,014.93 × 4,279,547.28 - Step 4: Simplify right side
13,863,348.21x = 89,001,808,675,800.89 - Step 5: Solve for x
x = 89,001,808,675,800.89/13,863,348.21 - Step 6: Final answer
x = 6,419,936.03
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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.