Finding the Fourth Proportional to 7,337,328.60, 11,005,992.90 and 4,786,411.80
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Solution
The fourth proportional to 7,337,328.60, 11,005,992.90 and 4,786,411.80 is: 7,179,617.70
Step by Step Solution
- Step 1: Write the proportion equation
7,337,328.60 : 11,005,992.90 = 4,786,411.80 : x - Step 2: Convert to fraction form
7,337,328.60/11,005,992.90 = 4,786,411.80/x - Step 3: Cross multiply
7,337,328.60x = 11,005,992.90 × 4,786,411.80 - Step 4: Simplify right side
7,337,328.60x = 52,679,214,287,276.22 - Step 5: Solve for x
x = 52,679,214,287,276.22/7,337,328.60 - Step 6: Final answer
x = 7,179,617.70
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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.