Finding the Fourth Proportional to 7,342,235.92, 10,128,201.96 and 6,822,649.36
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Solution
The fourth proportional to 7,342,235.92, 10,128,201.96 and 6,822,649.36 is: 9,411,461.49
Step by Step Solution
- Step 1: Write the proportion equation
7,342,235.92 : 10,128,201.96 = 6,822,649.36 : x - Step 2: Convert to fraction form
7,342,235.92/10,128,201.96 = 6,822,649.36/x - Step 3: Cross multiply
7,342,235.92x = 10,128,201.96 × 6,822,649.36 - Step 4: Simplify right side
7,342,235.92x = 69,101,170,620,344.76 - Step 5: Solve for x
x = 69,101,170,620,344.76/7,342,235.92 - Step 6: Final answer
x = 9,411,461.49
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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.