Finding the Fourth Proportional to 27,773,408.70, 38,787,112.80 and 27,773,408.70
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Solution
The fourth proportional to 27,773,408.70, 38,787,112.80 and 27,773,408.70 is: 38,787,112.80
Step by Step Solution
- Step 1: Write the proportion equation
27,773,408.70 : 38,787,112.80 = 27,773,408.70 : x - Step 2: Convert to fraction form
27,773,408.70/38,787,112.80 = 27,773,408.70/x - Step 3: Cross multiply
27,773,408.70x = 38,787,112.80 × 27,773,408.70 - Step 4: Simplify right side
27,773,408.70x = 1,077,250,336,087,401.25 - Step 5: Solve for x
x = 1,077,250,336,087,401.25/27,773,408.70 - Step 6: Final answer
x = 38,787,112.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.