Finding the Fourth Proportional to 19,792,810.30, 29,679,898.40 and 7,667,951.08
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Solution
The fourth proportional to 19,792,810.30, 29,679,898.40 and 7,667,951.08 is: 11,498,317.09
Step by Step Solution
- Step 1: Write the proportion equation
19,792,810.30 : 29,679,898.40 = 7,667,951.08 : x - Step 2: Convert to fraction form
19,792,810.30/29,679,898.40 = 7,667,951.08/x - Step 3: Cross multiply
19,792,810.30x = 29,679,898.40 × 7,667,951.08 - Step 4: Simplify right side
19,792,810.30x = 227,584,008,990,570.25 - Step 5: Solve for x
x = 227,584,008,990,570.25/19,792,810.30 - 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.