Finding the Fourth Proportional to 10,988,690.68, 16,483,175.18 and 4,163,430.47
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Solution
The fourth proportional to 10,988,690.68, 16,483,175.18 and 4,163,430.47 is: 6,245,198.42
Step by Step Solution
- Step 1: Write the proportion equation
10,988,690.68 : 16,483,175.18 = 4,163,430.47 : x - Step 2: Convert to fraction form
10,988,690.68/16,483,175.18 = 4,163,430.47/x - Step 3: Cross multiply
10,988,690.68x = 16,483,175.18 × 4,163,430.47 - Step 4: Simplify right side
10,988,690.68x = 68,626,553,699,139.57 - Step 5: Solve for x
x = 68,626,553,699,139.57/10,988,690.68 - Step 6: Final answer
x = 6,245,198.42
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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.