Finding the Fourth Proportional to 11,470,143.14, 17,205,259.05 and 4,646,845.29
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Solution
The fourth proportional to 11,470,143.14, 17,205,259.05 and 4,646,845.29 is: 6,970,285.90
Step by Step Solution
- Step 1: Write the proportion equation
11,470,143.14 : 17,205,259.05 = 4,646,845.29 : x - Step 2: Convert to fraction form
11,470,143.14/17,205,259.05 = 4,646,845.29/x - Step 3: Cross multiply
11,470,143.14x = 17,205,259.05 × 4,646,845.29 - Step 4: Simplify right side
11,470,143.14x = 79,950,176,979,722.38 - Step 5: Solve for x
x = 79,950,176,979,722.38/11,470,143.14 - Step 6: Final answer
x = 6,970,285.90
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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.