Finding the Fourth Proportional to 27,419,541.60, 37,838,155.56 and 15,029,370.12
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Solution
The fourth proportional to 27,419,541.60, 37,838,155.56 and 15,029,370.12 is: 20,740,085.77
Step by Step Solution
- Step 1: Write the proportion equation
27,419,541.60 : 37,838,155.56 = 15,029,370.12 : x - Step 2: Convert to fraction form
27,419,541.60/37,838,155.56 = 15,029,370.12/x - Step 3: Cross multiply
27,419,541.60x = 37,838,155.56 × 15,029,370.12 - Step 4: Simplify right side
27,419,541.60x = 568,683,644,569,375.88 - Step 5: Solve for x
x = 568,683,644,569,375.88/27,419,541.60 - Step 6: Final answer
x = 20,740,085.77
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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.