Finding the Fourth Proportional to 11,400,925.18, 15,733,291.94 and 6,173,942.35
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Solution
The fourth proportional to 11,400,925.18, 15,733,291.94 and 6,173,942.35 is: 8,520,048.67
Step by Step Solution
- Step 1: Write the proportion equation
11,400,925.18 : 15,733,291.94 = 6,173,942.35 : x - Step 2: Convert to fraction form
11,400,925.18/15,733,291.94 = 6,173,942.35/x - Step 3: Cross multiply
11,400,925.18x = 15,733,291.94 × 6,173,942.35 - Step 4: Simplify right side
11,400,925.18x = 97,136,437,366,229 - Step 5: Solve for x
x = 97,136,437,366,229/11,400,925.18 - Step 6: Final answer
x = 8,520,048.67
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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.