Finding the Fourth Proportional to 11,237,366.60, 16,863,923.10 and 7,203,663.80
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Solution
The fourth proportional to 11,237,366.60, 16,863,923.10 and 7,203,663.80 is: 10,810,542.78
Step by Step Solution
- Step 1: Write the proportion equation
11,237,366.60 : 16,863,923.10 = 7,203,663.80 : x - Step 2: Convert to fraction form
11,237,366.60/16,863,923.10 = 7,203,663.80/x - Step 3: Cross multiply
11,237,366.60x = 16,863,923.10 × 7,203,663.80 - Step 4: Simplify right side
11,237,366.60x = 121,482,032,361,453.78 - Step 5: Solve for x
x = 121,482,032,361,453.78/11,237,366.60 - Step 6: Final answer
x = 10,810,542.78
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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.