Finding the Fourth Proportional to 45,916,220.32, 68,878,296.24 and 11,837,278.24
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Solution
The fourth proportional to 45,916,220.32, 68,878,296.24 and 11,837,278.24 is: 17,756,939.74
Step by Step Solution
- Step 1: Write the proportion equation
45,916,220.32 : 68,878,296.24 = 11,837,278.24 : x - Step 2: Convert to fraction form
45,916,220.32/68,878,296.24 = 11,837,278.24/x - Step 3: Cross multiply
45,916,220.32x = 68,878,296.24 × 11,837,278.24 - Step 4: Simplify right side
45,916,220.32x = 815,331,557,290,025.75 - Step 5: Solve for x
x = 815,331,557,290,025.75/45,916,220.32 - Step 6: Final answer
x = 17,756,939.74
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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.