Finding the Fourth Proportional to 6,342,051.13, 8,751,909.16 and 3,588,688.45
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Solution
The fourth proportional to 6,342,051.13, 8,751,909.16 and 3,588,688.45 is: 4,952,321.37
Step by Step Solution
- Step 1: Write the proportion equation
6,342,051.13 : 8,751,909.16 = 3,588,688.45 : x - Step 2: Convert to fraction form
6,342,051.13/8,751,909.16 = 3,588,688.45/x - Step 3: Cross multiply
6,342,051.13x = 8,751,909.16 × 3,588,688.45 - Step 4: Simplify right side
6,342,051.13x = 31,407,875,317,941.20 - Step 5: Solve for x
x = 31,407,875,317,941.20/6,342,051.13 - Step 6: Final answer
x = 4,952,321.37
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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.