Finding the Fourth Proportional to 18,475,381.76, 27,714,622.98 and 6,806,930
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Solution
The fourth proportional to 18,475,381.76, 27,714,622.98 and 6,806,930 is: 10,210,966.20
Step by Step Solution
- Step 1: Write the proportion equation
18,475,381.76 : 27,714,622.98 = 6,806,930 : x - Step 2: Convert to fraction form
18,475,381.76/27,714,622.98 = 6,806,930/x - Step 3: Cross multiply
18,475,381.76x = 27,714,622.98 × 6,806,930 - Step 4: Simplify right side
18,475,381.76x = 188,651,498,601,251.41 - Step 5: Solve for x
x = 188,651,498,601,251.41/18,475,381.76 - Step 6: Final answer
x = 10,210,966.20
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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.