Finding the Fourth Proportional to 8,547,977.97, 11,796,228.70 and 4,627,775.41
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Solution
The fourth proportional to 8,547,977.97, 11,796,228.70 and 4,627,775.41 is: 6,386,340.40
Step by Step Solution
- Step 1: Write the proportion equation
8,547,977.97 : 11,796,228.70 = 4,627,775.41 : x - Step 2: Convert to fraction form
8,547,977.97/11,796,228.70 = 4,627,775.41/x - Step 3: Cross multiply
8,547,977.97x = 11,796,228.70 × 4,627,775.41 - Step 4: Simplify right side
8,547,977.97x = 54,590,297,111,772.11 - Step 5: Solve for x
x = 54,590,297,111,772.11/8,547,977.97 - Step 6: Final answer
x = 6,386,340.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.