Finding the Fourth Proportional to 6,893,997.63, 10,331,317.11 and 5,448,325.02
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Solution
The fourth proportional to 6,893,997.63, 10,331,317.11 and 5,448,325.02 is: 8,164,837.95
Step by Step Solution
- Step 1: Write the proportion equation
6,893,997.63 : 10,331,317.11 = 5,448,325.02 : x - Step 2: Convert to fraction form
6,893,997.63/10,331,317.11 = 5,448,325.02/x - Step 3: Cross multiply
6,893,997.63x = 10,331,317.11 × 5,448,325.02 - Step 4: Simplify right side
6,893,997.63x = 56,288,373,499,967.09 - Step 5: Solve for x
x = 56,288,373,499,967.09/6,893,997.63 - Step 6: Final answer
x = 8,164,837.95
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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.