Finding the Fourth Proportional to 19,425,936.84, 26,807,832.54 and 10,724,121.42
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Solution
The fourth proportional to 19,425,936.84, 26,807,832.54 and 10,724,121.42 is: 14,799,309.48
Step by Step Solution
- Step 1: Write the proportion equation
19,425,936.84 : 26,807,832.54 = 10,724,121.42 : x - Step 2: Convert to fraction form
19,425,936.84/26,807,832.54 = 10,724,121.42/x - Step 3: Cross multiply
19,425,936.84x = 26,807,832.54 × 10,724,121.42 - Step 4: Simplify right side
19,425,936.84x = 287,490,451,165,987 - Step 5: Solve for x
x = 287,490,451,165,987/19,425,936.84 - Step 6: Final answer
x = 14,799,309.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.