Finding the Fourth Proportional to 7,817,984.08, 11,728,449.36 and 2,961,745.18
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Solution
The fourth proportional to 7,817,984.08, 11,728,449.36 and 2,961,745.18 is: 4,443,175.89
Step by Step Solution
- Step 1: Write the proportion equation
7,817,984.08 : 11,728,449.36 = 2,961,745.18 : x - Step 2: Convert to fraction form
7,817,984.08/11,728,449.36 = 2,961,745.18/x - Step 3: Cross multiply
7,817,984.08x = 11,728,449.36 × 2,961,745.18 - Step 4: Simplify right side
7,817,984.08x = 34,736,678,360,854.09 - Step 5: Solve for x
x = 34,736,678,360,854.09/7,817,984.08 - Step 6: Final answer
x = 4,443,175.89
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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.