Finding the Fourth Proportional to 7,390,722.10, 11,090,998.35 and 4,195,842.10
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Solution
The fourth proportional to 7,390,722.10, 11,090,998.35 and 4,195,842.10 is: 6,296,553.59
Step by Step Solution
- Step 1: Write the proportion equation
7,390,722.10 : 11,090,998.35 = 4,195,842.10 : x - Step 2: Convert to fraction form
7,390,722.10/11,090,998.35 = 4,195,842.10/x - Step 3: Cross multiply
7,390,722.10x = 11,090,998.35 × 4,195,842.10 - Step 4: Simplify right side
7,390,722.10x = 46,536,077,807,960.53 - Step 5: Solve for x
x = 46,536,077,807,960.53/7,390,722.10 - Step 6: Final answer
x = 6,296,553.59
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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.