Finding the Fourth Proportional to 7,662,934.96, 10,575,102.20 and 4,400,330.09
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Solution
The fourth proportional to 7,662,934.96, 10,575,102.20 and 4,400,330.09 is: 6,072,600.20
Step by Step Solution
- Step 1: Write the proportion equation
7,662,934.96 : 10,575,102.20 = 4,400,330.09 : x - Step 2: Convert to fraction form
7,662,934.96/10,575,102.20 = 4,400,330.09/x - Step 3: Cross multiply
7,662,934.96x = 10,575,102.20 × 4,400,330.09 - Step 4: Simplify right side
7,662,934.96x = 46,533,940,340,608.04 - Step 5: Solve for x
x = 46,533,940,340,608.04/7,662,934.96 - Step 6: Final answer
x = 6,072,600.20
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1.5x scale
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.