Finding the Fourth Proportional to 27,887,889.76, 41,828,502.20 and 7,419,106.13
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Solution
The fourth proportional to 27,887,889.76, 41,828,502.20 and 7,419,106.13 is: 11,127,772.65
Step by Step Solution
- Step 1: Write the proportion equation
27,887,889.76 : 41,828,502.20 = 7,419,106.13 : x - Step 2: Convert to fraction form
27,887,889.76/41,828,502.20 = 7,419,106.13/x - Step 3: Cross multiply
27,887,889.76x = 41,828,502.20 × 7,419,106.13 - Step 4: Simplify right side
27,887,889.76x = 310,330,096,834,500.44 - Step 5: Solve for x
x = 310,330,096,834,500.44/27,887,889.76 - Step 6: Final answer
x = 11,127,772.65
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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.