Finding the Fourth Proportional to 10,400,015.95, 14,352,326.11 and 5,690,694.17
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Solution
The fourth proportional to 10,400,015.95, 14,352,326.11 and 5,690,694.17 is: 7,853,324.35
Step by Step Solution
- Step 1: Write the proportion equation
10,400,015.95 : 14,352,326.11 = 5,690,694.17 : x - Step 2: Convert to fraction form
10,400,015.95/14,352,326.11 = 5,690,694.17/x - Step 3: Cross multiply
10,400,015.95x = 14,352,326.11 × 5,690,694.17 - Step 4: Simplify right side
10,400,015.95x = 81,674,698,491,662.31 - Step 5: Solve for x
x = 81,674,698,491,662.31/10,400,015.95 - Step 6: Final answer
x = 7,853,324.35
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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.