Finding the Fourth Proportional to 7,342,894.16, 10,133,913.48 and 4,245,549.20
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Solution
The fourth proportional to 7,342,894.16, 10,133,913.48 and 4,245,549.20 is: 5,859,273.92
Step by Step Solution
- Step 1: Write the proportion equation
7,342,894.16 : 10,133,913.48 = 4,245,549.20 : x - Step 2: Convert to fraction form
7,342,894.16/10,133,913.48 = 4,245,549.20/x - Step 3: Cross multiply
7,342,894.16x = 10,133,913.48 × 4,245,549.20 - Step 4: Simplify right side
7,342,894.16x = 43,024,028,267,883.22 - Step 5: Solve for x
x = 43,024,028,267,883.22/7,342,894.16 - Step 6: Final answer
x = 5,859,273.92
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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.