Finding the Fourth Proportional to 19,239,086.66, 26,549,965.34 and 10,418,553.32
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Solution
The fourth proportional to 19,239,086.66, 26,549,965.34 and 10,418,553.32 is: 14,377,617.53
Step by Step Solution
- Step 1: Write the proportion equation
19,239,086.66 : 26,549,965.34 = 10,418,553.32 : x - Step 2: Convert to fraction form
19,239,086.66/26,549,965.34 = 10,418,553.32/x - Step 3: Cross multiply
19,239,086.66x = 26,549,965.34 × 10,418,553.32 - Step 4: Simplify right side
19,239,086.66x = 276,612,229,538,941.94 - Step 5: Solve for x
x = 276,612,229,538,941.94/19,239,086.66 - Step 6: Final answer
x = 14,377,617.53
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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.