Finding the Fourth Proportional to 11,133,130.10, 16,699,695.15 and 8,610,595.70
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Solution
The fourth proportional to 11,133,130.10, 16,699,695.15 and 8,610,595.70 is: 12,915,893.55
Step by Step Solution
- Step 1: Write the proportion equation
11,133,130.10 : 16,699,695.15 = 8,610,595.70 : x - Step 2: Convert to fraction form
11,133,130.10/16,699,695.15 = 8,610,595.70/x - Step 3: Cross multiply
11,133,130.10x = 16,699,695.15 × 8,610,595.70 - Step 4: Simplify right side
11,133,130.10x = 143,794,323,249,900.84 - Step 5: Solve for x
x = 143,794,323,249,900.84/11,133,130.10 - Step 6: Final answer
x = 12,915,893.55
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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.