Finding the Fourth Proportional to 10,357,413.80, 15,536,120.70 and 5,318,565.80
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Solution
The fourth proportional to 10,357,413.80, 15,536,120.70 and 5,318,565.80 is: 7,977,848.70
Step by Step Solution
- Step 1: Write the proportion equation
10,357,413.80 : 15,536,120.70 = 5,318,565.80 : x - Step 2: Convert to fraction form
10,357,413.80/15,536,120.70 = 5,318,565.80/x - Step 3: Cross multiply
10,357,413.80x = 15,536,120.70 × 5,318,565.80 - Step 4: Simplify right side
10,357,413.80x = 82,629,880,219,692.05 - Step 5: Solve for x
x = 82,629,880,219,692.05/10,357,413.80 - Step 6: Final answer
x = 7,977,848.70
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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.