Finding the Fourth Proportional to 8,343,368.70, 12,515,053.05 and 2,664,008.70
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Solution
The fourth proportional to 8,343,368.70, 12,515,053.05 and 2,664,008.70 is: 3,996,013.05
Step by Step Solution
- Step 1: Write the proportion equation
8,343,368.70 : 12,515,053.05 = 2,664,008.70 : x - Step 2: Convert to fraction form
8,343,368.70/12,515,053.05 = 2,664,008.70/x - Step 3: Cross multiply
8,343,368.70x = 12,515,053.05 × 2,664,008.70 - Step 4: Simplify right side
8,343,368.70x = 33,340,210,206,161.54 - Step 5: Solve for x
x = 33,340,210,206,161.54/8,343,368.70 - Step 6: Final answer
x = 3,996,013.05
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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.