Finding the Fourth Proportional to 7,536,698.99, 10,400,649.73 and 4,228,536.53
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Solution
The fourth proportional to 7,536,698.99, 10,400,649.73 and 4,228,536.53 is: 5,835,383.29
Step by Step Solution
- Step 1: Write the proportion equation
7,536,698.99 : 10,400,649.73 = 4,228,536.53 : x - Step 2: Convert to fraction form
7,536,698.99/10,400,649.73 = 4,228,536.53/x - Step 3: Cross multiply
7,536,698.99x = 10,400,649.73 × 4,228,536.53 - Step 4: Simplify right side
7,536,698.99x = 43,979,527,319,039.64 - Step 5: Solve for x
x = 43,979,527,319,039.64/7,536,698.99 - Step 6: Final answer
x = 5,835,383.29
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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.