Finding the Fourth Proportional to 22,368,364.68, 30,868,520.94 and 12,445,391.64
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Solution
The fourth proportional to 22,368,364.68, 30,868,520.94 and 12,445,391.64 is: 17,174,739.32
Step by Step Solution
- Step 1: Write the proportion equation
22,368,364.68 : 30,868,520.94 = 12,445,391.64 : x - Step 2: Convert to fraction form
22,368,364.68/30,868,520.94 = 12,445,391.64/x - Step 3: Cross multiply
22,368,364.68x = 30,868,520.94 × 12,445,391.64 - Step 4: Simplify right side
22,368,364.68x = 384,170,832,445,841 - Step 5: Solve for x
x = 384,170,832,445,841/22,368,364.68 - Step 6: Final answer
x = 17,174,739.32
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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.