Finding the Fourth Proportional to 7,779,407.40, 10,738,524.42 and 5,851,236.12
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Solution
The fourth proportional to 7,779,407.40, 10,738,524.42 and 5,851,236.12 is: 8,076,918.81
Step by Step Solution
- Step 1: Write the proportion equation
7,779,407.40 : 10,738,524.42 = 5,851,236.12 : x - Step 2: Convert to fraction form
7,779,407.40/10,738,524.42 = 5,851,236.12/x - Step 3: Cross multiply
7,779,407.40x = 10,738,524.42 × 5,851,236.12 - Step 4: Simplify right side
7,779,407.40x = 62,833,641,961,806.05 - Step 5: Solve for x
x = 62,833,641,961,806.05/7,779,407.40 - Step 6: Final answer
x = 8,076,918.81
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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.