Finding the Fourth Proportional to 43,787,747.40, 65,681,621.10 and 27,663,433.80
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Solution
The fourth proportional to 43,787,747.40, 65,681,621.10 and 27,663,433.80 is: 41,495,150.70
Step by Step Solution
- Step 1: Write the proportion equation
43,787,747.40 : 65,681,621.10 = 27,663,433.80 : x - Step 2: Convert to fraction form
43,787,747.40/65,681,621.10 = 27,663,433.80/x - Step 3: Cross multiply
43,787,747.40x = 65,681,621.10 × 27,663,433.80 - Step 4: Simplify right side
43,787,747.40x = 1,816,979,177,176,533.25 - Step 5: Solve for x
x = 1,816,979,177,176,533.25/43,787,747.40 - Step 6: Final answer
x = 41,495,150.70
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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.