Finding the Fourth Proportional to 11,405,197.50, 15,735,297.51 and 6,506,900.70
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Solution
The fourth proportional to 11,405,197.50, 15,735,297.51 and 6,506,900.70 is: 8,977,312.18
Step by Step Solution
- Step 1: Write the proportion equation
11,405,197.50 : 15,735,297.51 = 6,506,900.70 : x - Step 2: Convert to fraction form
11,405,197.50/15,735,297.51 = 6,506,900.70/x - Step 3: Cross multiply
11,405,197.50x = 15,735,297.51 × 6,506,900.70 - Step 4: Simplify right side
11,405,197.50x = 102,388,018,382,527.27 - Step 5: Solve for x
x = 102,388,018,382,527.27/11,405,197.50 - Step 6: Final answer
x = 8,977,312.18
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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.