Finding the Fourth Proportional to 8,457,521.77, 12,686,282.66 and 2,067,698.26
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Solution
The fourth proportional to 8,457,521.77, 12,686,282.66 and 2,067,698.26 is: 3,101,547.39
Step by Step Solution
- Step 1: Write the proportion equation
8,457,521.77 : 12,686,282.66 = 2,067,698.26 : x - Step 2: Convert to fraction form
8,457,521.77/12,686,282.66 = 2,067,698.26/x - Step 3: Cross multiply
8,457,521.77x = 12,686,282.66 × 2,067,698.26 - Step 4: Simplify right side
8,457,521.77x = 26,231,404,581,950.17 - Step 5: Solve for x
x = 26,231,404,581,950.17/8,457,521.77 - Step 6: Final answer
x = 3,101,547.39
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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.