Finding the Fourth Proportional to 7,083,473.98, 9,775,148.97 and 4,027,688.50
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Solution
The fourth proportional to 7,083,473.98, 9,775,148.97 and 4,027,688.50 is: 5,558,184.47
Step by Step Solution
- Step 1: Write the proportion equation
7,083,473.98 : 9,775,148.97 = 4,027,688.50 : x - Step 2: Convert to fraction form
7,083,473.98/9,775,148.97 = 4,027,688.50/x - Step 3: Cross multiply
7,083,473.98x = 9,775,148.97 × 4,027,688.50 - Step 4: Simplify right side
7,083,473.98x = 39,371,255,092,255.85 - Step 5: Solve for x
x = 39,371,255,092,255.85/7,083,473.98 - Step 6: Final answer
x = 5,558,184.47
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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.