Finding the Fourth Proportional to 10,351,491.40, 15,530,117.65 and 4,516,187.72
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Solution
The fourth proportional to 10,351,491.40, 15,530,117.65 and 4,516,187.72 is: 6,775,538.32
Step by Step Solution
- Step 1: Write the proportion equation
10,351,491.40 : 15,530,117.65 = 4,516,187.72 : x - Step 2: Convert to fraction form
10,351,491.40/15,530,117.65 = 4,516,187.72/x - Step 3: Cross multiply
10,351,491.40x = 15,530,117.65 × 4,516,187.72 - Step 4: Simplify right side
10,351,491.40x = 70,136,926,621,085.26 - Step 5: Solve for x
x = 70,136,926,621,085.26/10,351,491.40 - Step 6: Final answer
x = 6,775,538.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.