Finding the Fourth Proportional to 5,868,909.70, 8,803,364.55 and 5,122,413.70
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Solution
The fourth proportional to 5,868,909.70, 8,803,364.55 and 5,122,413.70 is: 7,683,620.55
Step by Step Solution
- Step 1: Write the proportion equation
5,868,909.70 : 8,803,364.55 = 5,122,413.70 : x - Step 2: Convert to fraction form
5,868,909.70/8,803,364.55 = 5,122,413.70/x - Step 3: Cross multiply
5,868,909.70x = 8,803,364.55 × 5,122,413.70 - Step 4: Simplify right side
5,868,909.70x = 45,094,475,177,014.34 - Step 5: Solve for x
x = 45,094,475,177,014.34/5,868,909.70 - Step 6: Final answer
x = 7,683,620.55
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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.