Finding the Fourth Proportional to 19,392,126.81, 26,761,216.01 and 10,690,108.49
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Solution
The fourth proportional to 19,392,126.81, 26,761,216.01 and 10,690,108.49 is: 14,752,394.37
Step by Step Solution
- Step 1: Write the proportion equation
19,392,126.81 : 26,761,216.01 = 10,690,108.49 : x - Step 2: Convert to fraction form
19,392,126.81/26,761,216.01 = 10,690,108.49/x - Step 3: Cross multiply
19,392,126.81x = 26,761,216.01 × 10,690,108.49 - Step 4: Simplify right side
19,392,126.81x = 286,080,302,283,968.25 - Step 5: Solve for x
x = 286,080,302,283,968.25/19,392,126.81 - Step 6: Final answer
x = 14,752,394.37
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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.