Finding the Fourth Proportional to 45,916,193.82, 68,878,256.49 and 11,837,251.74
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Solution
The fourth proportional to 45,916,193.82, 68,878,256.49 and 11,837,251.74 is: 17,756,899.99
Step by Step Solution
- Step 1: Write the proportion equation
45,916,193.82 : 68,878,256.49 = 11,837,251.74 : x - Step 2: Convert to fraction form
45,916,193.82/68,878,256.49 = 11,837,251.74/x - Step 3: Cross multiply
45,916,193.82x = 68,878,256.49 × 11,837,251.74 - Step 4: Simplify right side
45,916,193.82x = 815,329,261,484,418.75 - Step 5: Solve for x
x = 815,329,261,484,418.75/45,916,193.82 - Step 6: Final answer
x = 17,756,899.99
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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.