Finding the Fourth Proportional to 8,587,340.08, 12,881,635.46 and 3,195,988.70
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Solution
The fourth proportional to 8,587,340.08, 12,881,635.46 and 3,195,988.70 is: 4,794,215.79
Step by Step Solution
- Step 1: Write the proportion equation
8,587,340.08 : 12,881,635.46 = 3,195,988.70 : x - Step 2: Convert to fraction form
8,587,340.08/12,881,635.46 = 3,195,988.70/x - Step 3: Cross multiply
8,587,340.08x = 12,881,635.46 × 3,195,988.70 - Step 4: Simplify right side
8,587,340.08x = 41,169,561,367,679.30 - Step 5: Solve for x
x = 41,169,561,367,679.30/8,587,340.08 - Step 6: Final answer
x = 4,794,215.79
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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.