Finding the Fourth Proportional to 8,547,860.10, 12,821,790.15 and 2,564,228.10
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Solution
The fourth proportional to 8,547,860.10, 12,821,790.15 and 2,564,228.10 is: 3,846,342.15
Step by Step Solution
- Step 1: Write the proportion equation
8,547,860.10 : 12,821,790.15 = 2,564,228.10 : x - Step 2: Convert to fraction form
8,547,860.10/12,821,790.15 = 2,564,228.10/x - Step 3: Cross multiply
8,547,860.10x = 12,821,790.15 × 2,564,228.10 - Step 4: Simplify right side
8,547,860.10x = 32,877,994,594,933.22 - Step 5: Solve for x
x = 32,877,994,594,933.22/8,547,860.10 - Step 6: Final answer
x = 3,846,342.15
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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.