Finding the Fourth Proportional to 43,203,630.58, 64,805,511.62 and 17,644,639.98
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Solution
The fourth proportional to 43,203,630.58, 64,805,511.62 and 17,644,639.98 is: 26,466,986.83
Step by Step Solution
- Step 1: Write the proportion equation
43,203,630.58 : 64,805,511.62 = 17,644,639.98 : x - Step 2: Convert to fraction form
43,203,630.58/64,805,511.62 = 17,644,639.98/x - Step 3: Cross multiply
43,203,630.58x = 64,805,511.62 × 17,644,639.98 - Step 4: Simplify right side
43,203,630.58x = 1,143,469,921,475,571.50 - Step 5: Solve for x
x = 1,143,469,921,475,571.50/43,203,630.58 - Step 6: Final answer
x = 26,466,986.83
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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.