Finding the Fourth Proportional to 8,477,445.60, 11,698,521.71 and 4,806,610.26
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Solution
The fourth proportional to 8,477,445.60, 11,698,521.71 and 4,806,610.26 is: 6,632,921.89
Step by Step Solution
- Step 1: Write the proportion equation
8,477,445.60 : 11,698,521.71 = 4,806,610.26 : x - Step 2: Convert to fraction form
8,477,445.60/11,698,521.71 = 4,806,610.26/x - Step 3: Cross multiply
8,477,445.60x = 11,698,521.71 × 4,806,610.26 - Step 4: Simplify right side
8,477,445.60x = 56,230,234,454,085.69 - Step 5: Solve for x
x = 56,230,234,454,085.69/8,477,445.60 - Step 6: Final answer
x = 6,632,921.89
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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.