Finding the Fourth Proportional to 7,029,471.90, 10,544,207.85 and 5,612,295.90
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Solution
The fourth proportional to 7,029,471.90, 10,544,207.85 and 5,612,295.90 is: 8,418,443.85
Step by Step Solution
- Step 1: Write the proportion equation
7,029,471.90 : 10,544,207.85 = 5,612,295.90 : x - Step 2: Convert to fraction form
7,029,471.90/10,544,207.85 = 5,612,295.90/x - Step 3: Cross multiply
7,029,471.90x = 10,544,207.85 × 5,612,295.90 - Step 4: Simplify right side
7,029,471.90x = 59,177,214,485,302.82 - Step 5: Solve for x
x = 59,177,214,485,302.82/7,029,471.90 - Step 6: Final answer
x = 8,418,443.85
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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.