Finding the Fourth Proportional to 10,366,247.05, 15,549,370.58 and 4,973,979.85
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Solution
The fourth proportional to 10,366,247.05, 15,549,370.58 and 4,973,979.85 is: 7,460,969.78
Step by Step Solution
- Step 1: Write the proportion equation
10,366,247.05 : 15,549,370.58 = 4,973,979.85 : x - Step 2: Convert to fraction form
10,366,247.05/15,549,370.58 = 4,973,979.85/x - Step 3: Cross multiply
10,366,247.05x = 15,549,370.58 × 4,973,979.85 - Step 4: Simplify right side
10,366,247.05x = 77,342,255,945,102.81 - Step 5: Solve for x
x = 77,342,255,945,102.81/10,366,247.05 - Step 6: Final answer
x = 7,460,969.78
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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.