Finding the Fourth Proportional to 8,878,680.68, 12,252,636.58 and 5,206,849.96
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Solution
The fourth proportional to 8,878,680.68, 12,252,636.58 and 5,206,849.96 is: 7,185,486.51
Step by Step Solution
- Step 1: Write the proportion equation
8,878,680.68 : 12,252,636.58 = 5,206,849.96 : x - Step 2: Convert to fraction form
8,878,680.68/12,252,636.58 = 5,206,849.96/x - Step 3: Cross multiply
8,878,680.68x = 12,252,636.58 × 5,206,849.96 - Step 4: Simplify right side
8,878,680.68x = 63,797,640,286,467.54 - Step 5: Solve for x
x = 63,797,640,286,467.54/8,878,680.68 - Step 6: Final answer
x = 7,185,486.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.