Finding the Fourth Proportional to 11,575,699.80, 17,363,549.70 and 10,292,832.60
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Solution
The fourth proportional to 11,575,699.80, 17,363,549.70 and 10,292,832.60 is: 15,439,248.90
Step by Step Solution
- Step 1: Write the proportion equation
11,575,699.80 : 17,363,549.70 = 10,292,832.60 : x - Step 2: Convert to fraction form
11,575,699.80/17,363,549.70 = 10,292,832.60/x - Step 3: Cross multiply
11,575,699.80x = 17,363,549.70 × 10,292,832.60 - Step 4: Simplify right side
11,575,699.80x = 178,720,110,403,880.22 - Step 5: Solve for x
x = 178,720,110,403,880.22/11,575,699.80 - Step 6: Final answer
x = 15,439,248.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.