Finding the Fourth Proportional to 6,740,107.70, 10,110,161.55 and 6,425,179.70
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Solution
The fourth proportional to 6,740,107.70, 10,110,161.55 and 6,425,179.70 is: 9,637,769.55
Step by Step Solution
- Step 1: Write the proportion equation
6,740,107.70 : 10,110,161.55 = 6,425,179.70 : x - Step 2: Convert to fraction form
6,740,107.70/10,110,161.55 = 6,425,179.70/x - Step 3: Cross multiply
6,740,107.70x = 10,110,161.55 × 6,425,179.70 - Step 4: Simplify right side
6,740,107.70x = 64,959,604,754,780.54 - Step 5: Solve for x
x = 64,959,604,754,780.54/6,740,107.70 - Step 6: Final answer
x = 9,637,769.55
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Similar ratio
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1.5x scale
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.