Finding the Fourth Proportional to 34,626,138.64, 47,784,117.84 and 18,946,636.24
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Solution
The fourth proportional to 34,626,138.64, 47,784,117.84 and 18,946,636.24 is: 26,146,383.46
Step by Step Solution
- Step 1: Write the proportion equation
34,626,138.64 : 47,784,117.84 = 18,946,636.24 : x - Step 2: Convert to fraction form
34,626,138.64/47,784,117.84 = 18,946,636.24/x - Step 3: Cross multiply
34,626,138.64x = 47,784,117.84 × 18,946,636.24 - Step 4: Simplify right side
34,626,138.64x = 905,348,298,763,774.50 - Step 5: Solve for x
x = 905,348,298,763,774.50/34,626,138.64 - Step 6: Final answer
x = 26,146,383.46
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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.