Finding the Fourth Proportional to 12,540,515.62, 18,806,260.54 and 4,340,929.96
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Solution
The fourth proportional to 12,540,515.62, 18,806,260.54 and 4,340,929.96 is: 6,509,832.79
Step by Step Solution
- Step 1: Write the proportion equation
12,540,515.62 : 18,806,260.54 = 4,340,929.96 : x - Step 2: Convert to fraction form
12,540,515.62/18,806,260.54 = 4,340,929.96/x - Step 3: Cross multiply
12,540,515.62x = 18,806,260.54 × 4,340,929.96 - Step 4: Simplify right side
12,540,515.62x = 81,636,659,785,623.47 - Step 5: Solve for x
x = 81,636,659,785,623.47/12,540,515.62 - Step 6: Final answer
x = 6,509,832.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.