Finding the Fourth Proportional to 8,785,460.44, 12,123,365.46 and 4,917,947.80
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Solution
The fourth proportional to 8,785,460.44, 12,123,365.46 and 4,917,947.80 is: 6,786,448.92
Step by Step Solution
- Step 1: Write the proportion equation
8,785,460.44 : 12,123,365.46 = 4,917,947.80 : x - Step 2: Convert to fraction form
8,785,460.44/12,123,365.46 = 4,917,947.80/x - Step 3: Cross multiply
8,785,460.44x = 12,123,365.46 × 4,917,947.80 - Step 4: Simplify right side
8,785,460.44x = 59,622,078,492,602.99 - Step 5: Solve for x
x = 59,622,078,492,602.99/8,785,460.44 - Step 6: Final answer
x = 6,786,448.92
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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.