Finding the Fourth Proportional to 7,114,648.14, 9,818,203.34 and 3,851,462.00
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Solution
The fourth proportional to 7,114,648.14, 9,818,203.34 and 3,851,462.00 is: 5,315,011.56
Step by Step Solution
- Step 1: Write the proportion equation
7,114,648.14 : 9,818,203.34 = 3,851,462.00 : x - Step 2: Convert to fraction form
7,114,648.14/9,818,203.34 = 3,851,462.00/x - Step 3: Cross multiply
7,114,648.14x = 9,818,203.34 × 3,851,462.00 - Step 4: Simplify right side
7,114,648.14x = 37,814,437,106,457.24 - Step 5: Solve for x
x = 37,814,437,106,457.24/7,114,648.14 - Step 6: Final answer
x = 5,315,011.56
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1.5x scale
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.