Finding the Fourth Proportional to 48,018,428.13, 66,273,804.42 and 28,450,333.65
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Solution
The fourth proportional to 48,018,428.13, 66,273,804.42 and 28,450,333.65 is: 39,266,421.69
Step by Step Solution
- Step 1: Write the proportion equation
48,018,428.13 : 66,273,804.42 = 28,450,333.65 : x - Step 2: Convert to fraction form
48,018,428.13/66,273,804.42 = 28,450,333.65/x - Step 3: Cross multiply
48,018,428.13x = 66,273,804.42 × 28,450,333.65 - Step 4: Simplify right side
48,018,428.13x = 1,885,511,848,003,844.75 - Step 5: Solve for x
x = 1,885,511,848,003,844.75/48,018,428.13 - Step 6: Final answer
x = 39,266,421.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.