Finding the Fourth Proportional to 40,948,405.07, 56,509,129.58 and 22,613,690.57
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Solution
The fourth proportional to 40,948,405.07, 56,509,129.58 and 22,613,690.57 is: 31,207,075.54
Step by Step Solution
- Step 1: Write the proportion equation
40,948,405.07 : 56,509,129.58 = 22,613,690.57 : x - Step 2: Convert to fraction form
40,948,405.07/56,509,129.58 = 22,613,690.57/x - Step 3: Cross multiply
40,948,405.07x = 56,509,129.58 × 22,613,690.57 - Step 4: Simplify right side
40,948,405.07x = 1,277,879,970,306,540 - Step 5: Solve for x
x = 1,277,879,970,306,540/40,948,405.07 - Step 6: Final answer
x = 31,207,075.54
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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.