Finding the Fourth Proportional to 8,265,615.84, 12,398,547.69 and 3,148,327.44
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Solution
The fourth proportional to 8,265,615.84, 12,398,547.69 and 3,148,327.44 is: 4,722,538.36
Step by Step Solution
- Step 1: Write the proportion equation
8,265,615.84 : 12,398,547.69 = 3,148,327.44 : x - Step 2: Convert to fraction form
8,265,615.84/12,398,547.69 = 3,148,327.44/x - Step 3: Cross multiply
8,265,615.84x = 12,398,547.69 × 3,148,327.44 - Step 4: Simplify right side
8,265,615.84x = 39,034,687,908,575.61 - Step 5: Solve for x
x = 39,034,687,908,575.61/8,265,615.84 - Step 6: Final answer
x = 4,722,538.36
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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.