Finding the Fourth Proportional to 10,387,571.16, 15,652,259.42 and 8,535,794.52
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Solution
The fourth proportional to 10,387,571.16, 15,652,259.42 and 8,535,794.52 is: 12,861,954.75
Step by Step Solution
- Step 1: Write the proportion equation
10,387,571.16 : 15,652,259.42 = 8,535,794.52 : x - Step 2: Convert to fraction form
10,387,571.16/15,652,259.42 = 8,535,794.52/x - Step 3: Cross multiply
10,387,571.16x = 15,652,259.42 × 8,535,794.52 - Step 4: Simplify right side
10,387,571.16x = 133,604,470,204,193.86 - Step 5: Solve for x
x = 133,604,470,204,193.86/10,387,571.16 - Step 6: Final answer
x = 12,861,954.75
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.