Finding the Fourth Proportional to 13,314,163.74, 19,972,382.67 and 4,677,513.90
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Solution
The fourth proportional to 13,314,163.74, 19,972,382.67 and 4,677,513.90 is: 7,016,670.32
Step by Step Solution
- Step 1: Write the proportion equation
13,314,163.74 : 19,972,382.67 = 4,677,513.90 : x - Step 2: Convert to fraction form
13,314,163.74/19,972,382.67 = 4,677,513.90/x - Step 3: Cross multiply
13,314,163.74x = 19,972,382.67 × 4,677,513.90 - Step 4: Simplify right side
13,314,163.74x = 93,421,097,555,044.12 - Step 5: Solve for x
x = 93,421,097,555,044.12/13,314,163.74 - Step 6: Final answer
x = 7,016,670.32
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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.