Finding the Fourth Proportional to 19,792,810.29, 29,679,898.41 and 7,667,951.07
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Solution
The fourth proportional to 19,792,810.29, 29,679,898.41 and 7,667,951.07 is: 11,498,317.09
Step by Step Solution
- Step 1: Write the proportion equation
19,792,810.29 : 29,679,898.41 = 7,667,951.07 : x - Step 2: Convert to fraction form
19,792,810.29/29,679,898.41 = 7,667,951.07/x - Step 3: Cross multiply
19,792,810.29x = 29,679,898.41 × 7,667,951.07 - Step 4: Simplify right side
19,792,810.29x = 227,584,008,770,450.81 - Step 5: Solve for x
x = 227,584,008,770,450.81/19,792,810.29 - Step 6: Final answer
x = 11,498,317.09
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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.