Finding the Fourth Proportional to 18,190,347.60, 27,289,312.20 and 6,063,578.40
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Solution
The fourth proportional to 18,190,347.60, 27,289,312.20 and 6,063,578.40 is: 9,096,631.23
Step by Step Solution
- Step 1: Write the proportion equation
18,190,347.60 : 27,289,312.20 = 6,063,578.40 : x - Step 2: Convert to fraction form
18,190,347.60/27,289,312.20 = 6,063,578.40/x - Step 3: Cross multiply
18,190,347.60x = 27,289,312.20 × 6,063,578.40 - Step 4: Simplify right side
18,190,347.60x = 165,470,884,006,776.50 - Step 5: Solve for x
x = 165,470,884,006,776.50/18,190,347.60 - Step 6: Final answer
x = 9,096,631.23
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.