Finding the Fourth Proportional to 11,224,035.18, 15,478,838.91 and 7,355,151.18
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Solution
The fourth proportional to 11,224,035.18, 15,478,838.91 and 7,355,151.18 is: 10,143,339.58
Step by Step Solution
- Step 1: Write the proportion equation
11,224,035.18 : 15,478,838.91 = 7,355,151.18 : x - Step 2: Convert to fraction form
11,224,035.18/15,478,838.91 = 7,355,151.18/x - Step 3: Cross multiply
11,224,035.18x = 15,478,838.91 × 7,355,151.18 - Step 4: Simplify right side
11,224,035.18x = 113,849,200,273,916.41 - Step 5: Solve for x
x = 113,849,200,273,916.41/11,224,035.18 - Step 6: Final answer
x = 10,143,339.58
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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.