Finding the Fourth Proportional to 7,462,876.28, 11,194,377.10 and 2,071,947.12
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Solution
The fourth proportional to 7,462,876.28, 11,194,377.10 and 2,071,947.12 is: 3,107,938.08
Step by Step Solution
- Step 1: Write the proportion equation
7,462,876.28 : 11,194,377.10 = 2,071,947.12 : x - Step 2: Convert to fraction form
7,462,876.28/11,194,377.10 = 2,071,947.12/x - Step 3: Cross multiply
7,462,876.28x = 11,194,377.10 × 2,071,947.12 - Step 4: Simplify right side
7,462,876.28x = 23,194,157,392,538.95 - Step 5: Solve for x
x = 23,194,157,392,538.95/7,462,876.28 - Step 6: Final answer
x = 3,107,938.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.