Finding the Fourth Proportional to 7,130,435.00, 9,838,461.08 and 4,230,785.25
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Solution
The fourth proportional to 7,130,435.00, 9,838,461.08 and 4,230,785.25 is: 5,837,570.37
Step by Step Solution
- Step 1: Write the proportion equation
7,130,435.00 : 9,838,461.08 = 4,230,785.25 : x - Step 2: Convert to fraction form
7,130,435.00/9,838,461.08 = 4,230,785.25/x - Step 3: Cross multiply
7,130,435.00x = 9,838,461.08 × 4,230,785.25 - Step 4: Simplify right side
7,130,435.00x = 41,624,416,030,540.03 - Step 5: Solve for x
x = 41,624,416,030,540.03/7,130,435.00 - Step 6: Final answer
x = 5,837,570.37
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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.