Finding the Fourth Proportional to 11,555,246.97, 15,946,044.75 and 6,398,497.80
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Solution
The fourth proportional to 11,555,246.97, 15,946,044.75 and 6,398,497.80 is: 8,829,818.39
Step by Step Solution
- Step 1: Write the proportion equation
11,555,246.97 : 15,946,044.75 = 6,398,497.80 : x - Step 2: Convert to fraction form
11,555,246.97/15,946,044.75 = 6,398,497.80/x - Step 3: Cross multiply
11,555,246.97x = 15,946,044.75 × 6,398,497.80 - Step 4: Simplify right side
11,555,246.97x = 102,030,732,251,576.55 - Step 5: Solve for x
x = 102,030,732,251,576.55/11,555,246.97 - Step 6: Final answer
x = 8,829,818.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.