Finding the Fourth Proportional to 11,649,686.49, 16,077,117.53 and 6,493,085.55
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Solution
The fourth proportional to 11,649,686.49, 16,077,117.53 and 6,493,085.55 is: 8,960,764.71
Step by Step Solution
- Step 1: Write the proportion equation
11,649,686.49 : 16,077,117.53 = 6,493,085.55 : x - Step 2: Convert to fraction form
11,649,686.49/16,077,117.53 = 6,493,085.55/x - Step 3: Cross multiply
11,649,686.49x = 16,077,117.53 × 6,493,085.55 - Step 4: Simplify right side
11,649,686.49x = 104,390,099,535,927.41 - Step 5: Solve for x
x = 104,390,099,535,927.41/11,649,686.49 - Step 6: Final answer
x = 8,960,764.71
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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.