Finding the Fourth Proportional to 10,521,683.56, 14,518,366.02 and 6,389,565.64
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Solution
The fourth proportional to 10,521,683.56, 14,518,366.02 and 6,389,565.64 is: 8,816,654.88
Step by Step Solution
- Step 1: Write the proportion equation
10,521,683.56 : 14,518,366.02 = 6,389,565.64 : x - Step 2: Convert to fraction form
10,521,683.56/14,518,366.02 = 6,389,565.64/x - Step 3: Cross multiply
10,521,683.56x = 14,518,366.02 × 6,389,565.64 - Step 4: Simplify right side
10,521,683.56x = 92,766,052,670,335.55 - Step 5: Solve for x
x = 92,766,052,670,335.55/10,521,683.56 - Step 6: Final answer
x = 8,816,654.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.