Finding the Fourth Proportional to 11,400,928.74, 15,733,296.87 and 6,173,945.91
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Solution
The fourth proportional to 11,400,928.74, 15,733,296.87 and 6,173,945.91 is: 8,520,053.59
Step by Step Solution
- Step 1: Write the proportion equation
11,400,928.74 : 15,733,296.87 = 6,173,945.91 : x - Step 2: Convert to fraction form
11,400,928.74/15,733,296.87 = 6,173,945.91/x - Step 3: Cross multiply
11,400,928.74x = 15,733,296.87 × 6,173,945.91 - Step 4: Simplify right side
11,400,928.74x = 97,136,523,861,352.30 - Step 5: Solve for x
x = 97,136,523,861,352.30/11,400,928.74 - Step 6: Final answer
x = 8,520,053.59
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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.