Finding the Fourth Proportional to 27,165,247.76, 37,484,639.43 and 18,363,849.19
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Solution
The fourth proportional to 27,165,247.76, 37,484,639.43 and 18,363,849.19 is: 25,339,811.78
Step by Step Solution
- Step 1: Write the proportion equation
27,165,247.76 : 37,484,639.43 = 18,363,849.19 : x - Step 2: Convert to fraction form
27,165,247.76/37,484,639.43 = 18,363,849.19/x - Step 3: Cross multiply
27,165,247.76x = 37,484,639.43 × 18,363,849.19 - Step 4: Simplify right side
27,165,247.76x = 688,362,265,271,471.62 - Step 5: Solve for x
x = 688,362,265,271,471.62/27,165,247.76 - Step 6: Final answer
x = 25,339,811.78
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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.