Finding the Fourth Proportional to 22,397,214.96, 30,891,655.06 and 16,890,821.87
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Solution
The fourth proportional to 22,397,214.96, 30,891,655.06 and 16,890,821.87 is: 23,296,889.53
Step by Step Solution
- Step 1: Write the proportion equation
22,397,214.96 : 30,891,655.06 = 16,890,821.87 : x - Step 2: Convert to fraction form
22,397,214.96/30,891,655.06 = 16,890,821.87/x - Step 3: Cross multiply
22,397,214.96x = 30,891,655.06 × 16,890,821.87 - Step 4: Simplify right side
22,397,214.96x = 521,785,442,691,258.81 - Step 5: Solve for x
x = 521,785,442,691,258.81/22,397,214.96 - Step 6: Final answer
x = 23,296,889.53
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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.