Finding the Fourth Proportional to 9,480,880.24, 13,078,794.65 and 5,758,720.75
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Solution
The fourth proportional to 9,480,880.24, 13,078,794.65 and 5,758,720.75 is: 7,944,106.90
Step by Step Solution
- Step 1: Write the proportion equation
9,480,880.24 : 13,078,794.65 = 5,758,720.75 : x - Step 2: Convert to fraction form
9,480,880.24/13,078,794.65 = 5,758,720.75/x - Step 3: Cross multiply
9,480,880.24x = 13,078,794.65 × 5,758,720.75 - Step 4: Simplify right side
9,480,880.24x = 75,317,126,155,891.67 - Step 5: Solve for x
x = 75,317,126,155,891.67/9,480,880.24 - Step 6: Final answer
x = 7,944,106.90
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1.5x scale
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.