Finding the Fourth Proportional to 18,322,930.42, 27,484,372.42 and 4,676,077.10
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Solution
The fourth proportional to 18,322,930.42, 27,484,372.42 and 4,676,077.10 is: 7,014,109.73
Step by Step Solution
- Step 1: Write the proportion equation
18,322,930.42 : 27,484,372.42 = 4,676,077.10 : x - Step 2: Convert to fraction form
18,322,930.42/27,484,372.42 = 4,676,077.10/x - Step 3: Cross multiply
18,322,930.42x = 27,484,372.42 × 4,676,077.10 - Step 4: Simplify right side
18,322,930.42x = 128,519,044,585,206.05 - Step 5: Solve for x
x = 128,519,044,585,206.05/18,322,930.42 - Step 6: Final answer
x = 7,014,109.73
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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.