Finding the Fourth Proportional to 18,195,971.04, 27,303,402.72 and 7,421,176.80
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Solution
The fourth proportional to 18,195,971.04, 27,303,402.72 and 7,421,176.80 is: 11,135,617.79
Step by Step Solution
- Step 1: Write the proportion equation
18,195,971.04 : 27,303,402.72 = 7,421,176.80 : x - Step 2: Convert to fraction form
18,195,971.04/27,303,402.72 = 7,421,176.80/x - Step 3: Cross multiply
18,195,971.04x = 27,303,402.72 × 7,421,176.80 - Step 4: Simplify right side
18,195,971.04x = 202,623,378,826,720.88 - Step 5: Solve for x
x = 202,623,378,826,720.88/18,195,971.04 - Step 6: Final answer
x = 11,135,617.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.