Finding the Fourth Proportional to 40,680,715.12, 56,139,798.84 and 22,096,218.10
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Solution
The fourth proportional to 40,680,715.12, 56,139,798.84 and 22,096,218.10 is: 30,493,004.75
Step by Step Solution
- Step 1: Write the proportion equation
40,680,715.12 : 56,139,798.84 = 22,096,218.10 : x - Step 2: Convert to fraction form
40,680,715.12/56,139,798.84 = 22,096,218.10/x - Step 3: Cross multiply
40,680,715.12x = 56,139,798.84 × 22,096,218.10 - Step 4: Simplify right side
40,680,715.12x = 1,240,477,239,258,767.25 - Step 5: Solve for x
x = 1,240,477,239,258,767.25/40,680,715.12 - Step 6: Final answer
x = 30,493,004.75
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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.