Finding the Fourth Proportional to 11,180,214.05, 15,428,602.62 and 6,285,457.95
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Solution
The fourth proportional to 11,180,214.05, 15,428,602.62 and 6,285,457.95 is: 8,673,879.82
Step by Step Solution
- Step 1: Write the proportion equation
11,180,214.05 : 15,428,602.62 = 6,285,457.95 : x - Step 2: Convert to fraction form
11,180,214.05/15,428,602.62 = 6,285,457.95/x - Step 3: Cross multiply
11,180,214.05x = 15,428,602.62 × 6,285,457.95 - Step 4: Simplify right side
11,180,214.05x = 96,975,832,995,269.83 - Step 5: Solve for x
x = 96,975,832,995,269.83/11,180,214.05 - Step 6: Final answer
x = 8,673,879.82
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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.