Finding the Fourth Proportional to 10,176,458.74, 14,043,649.87 and 5,530,335.80
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Solution
The fourth proportional to 10,176,458.74, 14,043,649.87 and 5,530,335.80 is: 7,631,937.75
Step by Step Solution
- Step 1: Write the proportion equation
10,176,458.74 : 14,043,649.87 = 5,530,335.80 : x - Step 2: Convert to fraction form
10,176,458.74/14,043,649.87 = 5,530,335.80/x - Step 3: Cross multiply
10,176,458.74x = 14,043,649.87 × 5,530,335.80 - Step 4: Simplify right side
10,176,458.74x = 77,666,099,638,865.25 - Step 5: Solve for x
x = 77,666,099,638,865.25/10,176,458.74 - Step 6: Final answer
x = 7,631,937.75
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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.