Finding the Fourth Proportional to 10,368,048.10, 15,552,072.15 and 8,226,537.70
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Solution
The fourth proportional to 10,368,048.10, 15,552,072.15 and 8,226,537.70 is: 12,339,806.55
Step by Step Solution
- Step 1: Write the proportion equation
10,368,048.10 : 15,552,072.15 = 8,226,537.70 : x - Step 2: Convert to fraction form
10,368,048.10/15,552,072.15 = 8,226,537.70/x - Step 3: Cross multiply
10,368,048.10x = 15,552,072.15 × 8,226,537.70 - Step 4: Simplify right side
10,368,048.10x = 127,939,707,855,095.06 - Step 5: Solve for x
x = 127,939,707,855,095.06/10,368,048.10 - Step 6: Final answer
x = 12,339,806.55
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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.