Finding the Fourth Proportional to 7,904,418.75, 10,908,105.18 and 4,282,746.75
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Solution
The fourth proportional to 7,904,418.75, 10,908,105.18 and 4,282,746.75 is: 5,910,194.47
Step by Step Solution
- Step 1: Write the proportion equation
7,904,418.75 : 10,908,105.18 = 4,282,746.75 : x - Step 2: Convert to fraction form
7,904,418.75/10,908,105.18 = 4,282,746.75/x - Step 3: Cross multiply
7,904,418.75x = 10,908,105.18 × 4,282,746.75 - Step 4: Simplify right side
7,904,418.75x = 46,716,652,008,303.16 - Step 5: Solve for x
x = 46,716,652,008,303.16/7,904,418.75 - Step 6: Final answer
x = 5,910,194.47
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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.