Finding the Fourth Proportional to 6,745,400.71, 9,309,189.22 and 4,299,109.99
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Solution
The fourth proportional to 6,745,400.71, 9,309,189.22 and 4,299,109.99 is: 5,933,113.55
Step by Step Solution
- Step 1: Write the proportion equation
6,745,400.71 : 9,309,189.22 = 4,299,109.99 : x - Step 2: Convert to fraction form
6,745,400.71/9,309,189.22 = 4,299,109.99/x - Step 3: Cross multiply
6,745,400.71x = 9,309,189.22 × 4,299,109.99 - Step 4: Simplify right side
6,745,400.71x = 40,021,228,374,502.31 - Step 5: Solve for x
x = 40,021,228,374,502.31/6,745,400.71 - Step 6: Final answer
x = 5,933,113.55
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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.