Finding the Fourth Proportional to 27,720,685.92, 41,586,962.88 and 8,291,436
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Solution
The fourth proportional to 27,720,685.92, 41,586,962.88 and 8,291,436 is: 12,438,928.90
Step by Step Solution
- Step 1: Write the proportion equation
27,720,685.92 : 41,586,962.88 = 8,291,436 : x - Step 2: Convert to fraction form
27,720,685.92/41,586,962.88 = 8,291,436/x - Step 3: Cross multiply
27,720,685.92x = 41,586,962.88 × 8,291,436 - Step 4: Simplify right side
27,720,685.92x = 344,815,641,153,895.69 - Step 5: Solve for x
x = 344,815,641,153,895.69/27,720,685.92 - Step 6: Final answer
x = 12,438,928.90
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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.