Finding the Fourth Proportional to 7,793,630.66, 10,748,221.71 and 6,491,206.82
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Solution
The fourth proportional to 7,793,630.66, 10,748,221.71 and 6,491,206.82 is: 8,952,044.70
Step by Step Solution
- Step 1: Write the proportion equation
7,793,630.66 : 10,748,221.71 = 6,491,206.82 : x - Step 2: Convert to fraction form
7,793,630.66/10,748,221.71 = 6,491,206.82/x - Step 3: Cross multiply
7,793,630.66x = 10,748,221.71 × 6,491,206.82 - Step 4: Simplify right side
7,793,630.66x = 69,768,930,066,824.07 - Step 5: Solve for x
x = 69,768,930,066,824.07/7,793,630.66 - Step 6: Final answer
x = 8,952,044.70
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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.