Finding the Fourth Proportional to 25,758,879.12, 38,639,642.22 and 6,589,802.52
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Solution
The fourth proportional to 25,758,879.12, 38,639,642.22 and 6,589,802.52 is: 9,885,042.38
Step by Step Solution
- Step 1: Write the proportion equation
25,758,879.12 : 38,639,642.22 = 6,589,802.52 : x - Step 2: Convert to fraction form
25,758,879.12/38,639,642.22 = 6,589,802.52/x - Step 3: Cross multiply
25,758,879.12x = 38,639,642.22 × 6,589,802.52 - Step 4: Simplify right side
25,758,879.12x = 254,627,611,673,254.38 - Step 5: Solve for x
x = 254,627,611,673,254.38/25,758,879.12 - Step 6: Final answer
x = 9,885,042.38
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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.