Finding the Fourth Proportional to 8,422,804.70, 11,623,470.40 and 4,555,325.82
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Solution
The fourth proportional to 8,422,804.70, 11,623,470.40 and 4,555,325.82 is: 6,286,349.59
Step by Step Solution
- Step 1: Write the proportion equation
8,422,804.70 : 11,623,470.40 = 4,555,325.82 : x - Step 2: Convert to fraction form
8,422,804.70/11,623,470.40 = 4,555,325.82/x - Step 3: Cross multiply
8,422,804.70x = 11,623,470.40 × 4,555,325.82 - Step 4: Simplify right side
8,422,804.70x = 52,948,694,831,125.73 - Step 5: Solve for x
x = 52,948,694,831,125.73/8,422,804.70 - Step 6: Final answer
x = 6,286,349.59
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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.