Finding the Fourth Proportional to 45,641,896.99, 68,466,010.15 and 18,348,200.57
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Solution
The fourth proportional to 45,641,896.99, 68,466,010.15 and 18,348,200.57 is: 27,523,573.07
Step by Step Solution
- Step 1: Write the proportion equation
45,641,896.99 : 68,466,010.15 = 18,348,200.57 : x - Step 2: Convert to fraction form
45,641,896.99/68,466,010.15 = 18,348,200.57/x - Step 3: Cross multiply
45,641,896.99x = 68,466,010.15 × 18,348,200.57 - Step 4: Simplify right side
45,641,896.99x = 1,256,228,086,653,956.25 - Step 5: Solve for x
x = 1,256,228,086,653,956.25/45,641,896.99 - Step 6: Final answer
x = 27,523,573.07
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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.