Finding the Fourth Proportional to 56,128,410, 84,192,615.08 and 13,578,138
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Solution
The fourth proportional to 56,128,410, 84,192,615.08 and 13,578,138 is: 20,367,207.02
Step by Step Solution
- Step 1: Write the proportion equation
56,128,410 : 84,192,615.08 = 13,578,138 : x - Step 2: Convert to fraction form
56,128,410/84,192,615.08 = 13,578,138/x - Step 3: Cross multiply
56,128,410x = 84,192,615.08 × 13,578,138 - Step 4: Simplify right side
56,128,410x = 1,143,178,946,137,121 - Step 5: Solve for x
x = 1,143,178,946,137,121/56,128,410 - Step 6: Final answer
x = 20,367,207.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.