Finding the Fourth Proportional to 10,415,160.09, 14,369,811.89 and 6,738,254.19
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Solution
The fourth proportional to 10,415,160.09, 14,369,811.89 and 6,738,254.19 is: 9,296,779.34
Step by Step Solution
- Step 1: Write the proportion equation
10,415,160.09 : 14,369,811.89 = 6,738,254.19 : x - Step 2: Convert to fraction form
10,415,160.09/14,369,811.89 = 6,738,254.19/x - Step 3: Cross multiply
10,415,160.09x = 14,369,811.89 × 6,738,254.19 - Step 4: Simplify right side
10,415,160.09x = 96,827,445,143,613.05 - Step 5: Solve for x
x = 96,827,445,143,613.05/10,415,160.09 - Step 6: Final answer
x = 9,296,779.34
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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.