Finding the Fourth Proportional to 8,329,511.70, 12,484,936.35 and 4,736,999.70
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Solution
The fourth proportional to 8,329,511.70, 12,484,936.35 and 4,736,999.70 is: 7,100,192.89
Step by Step Solution
- Step 1: Write the proportion equation
8,329,511.70 : 12,484,936.35 = 4,736,999.70 : x - Step 2: Convert to fraction form
8,329,511.70/12,484,936.35 = 4,736,999.70/x - Step 3: Cross multiply
8,329,511.70x = 12,484,936.35 × 4,736,999.70 - Step 4: Simplify right side
8,329,511.70x = 59,141,139,744,469.09 - Step 5: Solve for x
x = 59,141,139,744,469.09/8,329,511.70 - Step 6: Final answer
x = 7,100,192.89
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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.