Finding the Fourth Proportional to 27,486,618.99, 37,931,989.95 and 15,097,857.39
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Solution
The fourth proportional to 27,486,618.99, 37,931,989.95 and 15,097,857.39 is: 20,835,293.53
Step by Step Solution
- Step 1: Write the proportion equation
27,486,618.99 : 37,931,989.95 = 15,097,857.39 : x - Step 2: Convert to fraction form
27,486,618.99/37,931,989.95 = 15,097,857.39/x - Step 3: Cross multiply
27,486,618.99x = 37,931,989.95 × 15,097,857.39 - Step 4: Simplify right side
27,486,618.99x = 572,691,774,784,013.25 - Step 5: Solve for x
x = 572,691,774,784,013.25/27,486,618.99 - Step 6: Final answer
x = 20,835,293.53
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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.