Finding the Fourth Proportional to 21,761,822.41, 32,642,727.55 and 14,917,645.98
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Solution
The fourth proportional to 21,761,822.41, 32,642,727.55 and 14,917,645.98 is: 22,376,464.81
Step by Step Solution
- Step 1: Write the proportion equation
21,761,822.41 : 32,642,727.55 = 14,917,645.98 : x - Step 2: Convert to fraction form
21,761,822.41/32,642,727.55 = 14,917,645.98/x - Step 3: Cross multiply
21,761,822.41x = 32,642,727.55 × 14,917,645.98 - Step 4: Simplify right side
21,761,822.41x = 486,952,653,412,492.75 - Step 5: Solve for x
x = 486,952,653,412,492.75/21,761,822.41 - Step 6: Final answer
x = 22,376,464.81
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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.