Finding the Fourth Proportional to 7,083,957.84, 9,775,572.12 and 4,184,287.44
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Solution
The fourth proportional to 7,083,957.84, 9,775,572.12 and 4,184,287.44 is: 5,774,145.55
Step by Step Solution
- Step 1: Write the proportion equation
7,083,957.84 : 9,775,572.12 = 4,184,287.44 : x - Step 2: Convert to fraction form
7,083,957.84/9,775,572.12 = 4,184,287.44/x - Step 3: Cross multiply
7,083,957.84x = 9,775,572.12 × 4,184,287.44 - Step 4: Simplify right side
7,083,957.84x = 40,903,803,640,530.17 - Step 5: Solve for x
x = 40,903,803,640,530.17/7,083,957.84 - Step 6: Final answer
x = 5,774,145.55
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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.