Finding the Fourth Proportional to 10,478,682.73, 14,454,453.05 and 6,810,042.75
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Solution
The fourth proportional to 10,478,682.73, 14,454,453.05 and 6,810,042.75 is: 9,393,875.71
Step by Step Solution
- Step 1: Write the proportion equation
10,478,682.73 : 14,454,453.05 = 6,810,042.75 : x - Step 2: Convert to fraction form
10,478,682.73/14,454,453.05 = 6,810,042.75/x - Step 3: Cross multiply
10,478,682.73x = 14,454,453.05 × 6,810,042.75 - Step 4: Simplify right side
10,478,682.73x = 98,435,443,140,455.23 - Step 5: Solve for x
x = 98,435,443,140,455.23/10,478,682.73 - Step 6: Final answer
x = 9,393,875.71
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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.