Finding the Fourth Proportional to 10,583,701.40, 15,877,625.70 and 4,518,421.40
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Solution
The fourth proportional to 10,583,701.40, 15,877,625.70 and 4,518,421.40 is: 6,778,517.37
Step by Step Solution
- Step 1: Write the proportion equation
10,583,701.40 : 15,877,625.70 = 4,518,421.40 : x - Step 2: Convert to fraction form
10,583,701.40/15,877,625.70 = 4,518,421.40/x - Step 3: Cross multiply
10,583,701.40x = 15,877,625.70 × 4,518,421.40 - Step 4: Simplify right side
10,583,701.40x = 71,741,803,744,069.98 - Step 5: Solve for x
x = 71,741,803,744,069.98/10,583,701.40 - Step 6: Final answer
x = 6,778,517.37
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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.