Finding the Fourth Proportional to 18,120,503.08, 27,180,810.51 and 4,473,651.03
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Solution
The fourth proportional to 18,120,503.08, 27,180,810.51 and 4,473,651.03 is: 6,710,490.34
Step by Step Solution
- Step 1: Write the proportion equation
18,120,503.08 : 27,180,810.51 = 4,473,651.03 : x - Step 2: Convert to fraction form
18,120,503.08/27,180,810.51 = 4,473,651.03/x - Step 3: Cross multiply
18,120,503.08x = 27,180,810.51 × 4,473,651.03 - Step 4: Simplify right side
18,120,503.08x = 121,597,460,934,296.34 - Step 5: Solve for x
x = 121,597,460,934,296.34/18,120,503.08 - Step 6: Final answer
x = 6,710,490.34
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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.