Finding the Fourth Proportional to 11,280,336.30, 15,567,053.19 and 6,123,697.68
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Solution
The fourth proportional to 11,280,336.30, 15,567,053.19 and 6,123,697.68 is: 8,450,805.45
Step by Step Solution
- Step 1: Write the proportion equation
11,280,336.30 : 15,567,053.19 = 6,123,697.68 : x - Step 2: Convert to fraction form
11,280,336.30/15,567,053.19 = 6,123,697.68/x - Step 3: Cross multiply
11,280,336.30x = 15,567,053.19 × 6,123,697.68 - Step 4: Simplify right side
11,280,336.30x = 95,327,927,504,039.59 - Step 5: Solve for x
x = 95,327,927,504,039.59/11,280,336.30 - Step 6: Final answer
x = 8,450,805.45
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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.