Finding the Fourth Proportional to 12,648,107.36, 17,456,454.96 and 7,756,022
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Solution
The fourth proportional to 12,648,107.36, 17,456,454.96 and 7,756,022 is: 10,704,577.76
Step by Step Solution
- Step 1: Write the proportion equation
12,648,107.36 : 17,456,454.96 = 7,756,022 : x - Step 2: Convert to fraction form
12,648,107.36/17,456,454.96 = 7,756,022/x - Step 3: Cross multiply
12,648,107.36x = 17,456,454.96 × 7,756,022 - Step 4: Simplify right side
12,648,107.36x = 135,392,648,711,769.12 - Step 5: Solve for x
x = 135,392,648,711,769.12/12,648,107.36 - Step 6: Final answer
x = 10,704,577.76
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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.