Finding the Fourth Proportional to 7,877,875.22, 11,806,872.84 and 4,225,547.02
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Solution
The fourth proportional to 7,877,875.22, 11,806,872.84 and 4,225,547.02 is: 6,332,988.90
Step by Step Solution
- Step 1: Write the proportion equation
7,877,875.22 : 11,806,872.84 = 4,225,547.02 : x - Step 2: Convert to fraction form
7,877,875.22/11,806,872.84 = 4,225,547.02/x - Step 3: Cross multiply
7,877,875.22x = 11,806,872.84 × 4,225,547.02 - Step 4: Simplify right side
7,877,875.22x = 49,890,496,344,580.93 - Step 5: Solve for x
x = 49,890,496,344,580.93/7,877,875.22 - Step 6: Final answer
x = 6,332,988.90
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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.