Finding the Fourth Proportional to 8,869,413.30, 13,304,119.95 and 8,019,107.70
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Solution
The fourth proportional to 8,869,413.30, 13,304,119.95 and 8,019,107.70 is: 12,028,661.55
Step by Step Solution
- Step 1: Write the proportion equation
8,869,413.30 : 13,304,119.95 = 8,019,107.70 : x - Step 2: Convert to fraction form
8,869,413.30/13,304,119.95 = 8,019,107.70/x - Step 3: Cross multiply
8,869,413.30x = 13,304,119.95 × 8,019,107.70 - Step 4: Simplify right side
8,869,413.30x = 106,687,170,732,768.61 - Step 5: Solve for x
x = 106,687,170,732,768.61/8,869,413.30 - Step 6: Final answer
x = 12,028,661.55
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.