Finding the Fourth Proportional to 26,313,823.50, 36,311,232.97 and 15,299,791.81
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Solution
The fourth proportional to 26,313,823.50, 36,311,232.97 and 15,299,791.81 is: 21,112,640.84
Step by Step Solution
- Step 1: Write the proportion equation
26,313,823.50 : 36,311,232.97 = 15,299,791.81 : x - Step 2: Convert to fraction form
26,313,823.50/36,311,232.97 = 15,299,791.81/x - Step 3: Cross multiply
26,313,823.50x = 36,311,232.97 × 15,299,791.81 - Step 4: Simplify right side
26,313,823.50x = 555,554,304,805,408 - Step 5: Solve for x
x = 555,554,304,805,408/26,313,823.50 - Step 6: Final answer
x = 21,112,640.84
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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.