Finding the Fourth Proportional to 22,708,419.32, 31,332,940.62 and 13,048,761.08
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Solution
The fourth proportional to 22,708,419.32, 31,332,940.62 and 13,048,761.08 is: 18,004,602.18
Step by Step Solution
- Step 1: Write the proportion equation
22,708,419.32 : 31,332,940.62 = 13,048,761.08 : x - Step 2: Convert to fraction form
22,708,419.32/31,332,940.62 = 13,048,761.08/x - Step 3: Cross multiply
22,708,419.32x = 31,332,940.62 × 13,048,761.08 - Step 4: Simplify right side
22,708,419.32x = 408,856,056,084,207.06 - Step 5: Solve for x
x = 408,856,056,084,207.06/22,708,419.32 - Step 6: Final answer
x = 18,004,602.18
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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.