Finding the Fourth Proportional to 7,652,617.74, 11,478,855.36 and 3,102,585.00
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Solution
The fourth proportional to 7,652,617.74, 11,478,855.36 and 3,102,585.00 is: 4,653,848.61
Step by Step Solution
- Step 1: Write the proportion equation
7,652,617.74 : 11,478,855.36 = 3,102,585.00 : x - Step 2: Convert to fraction form
7,652,617.74/11,478,855.36 = 3,102,585.00/x - Step 3: Cross multiply
7,652,617.74x = 11,478,855.36 × 3,102,585.00 - Step 4: Simplify right side
7,652,617.74x = 35,614,124,410,097.40 - Step 5: Solve for x
x = 35,614,124,410,097.40/7,652,617.74 - Step 6: Final answer
x = 4,653,848.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.