Finding the Fourth Proportional to 8,141,419.62, 11,235,159.12 and 4,470,336.18
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Solution
The fourth proportional to 8,141,419.62, 11,235,159.12 and 4,470,336.18 is: 6,169,063.95
Step by Step Solution
- Step 1: Write the proportion equation
8,141,419.62 : 11,235,159.12 = 4,470,336.18 : x - Step 2: Convert to fraction form
8,141,419.62/11,235,159.12 = 4,470,336.18/x - Step 3: Cross multiply
8,141,419.62x = 11,235,159.12 × 4,470,336.18 - Step 4: Simplify right side
8,141,419.62x = 50,224,938,302,192.95 - Step 5: Solve for x
x = 50,224,938,302,192.95/8,141,419.62 - Step 6: Final answer
x = 6,169,063.95
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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.