Finding the Fourth Proportional to 11,132,596.60, 16,698,894.90 and 6,653,620.60
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Solution
The fourth proportional to 11,132,596.60, 16,698,894.90 and 6,653,620.60 is: 9,980,430.90
Step by Step Solution
- Step 1: Write the proportion equation
11,132,596.60 : 16,698,894.90 = 6,653,620.60 : x - Step 2: Convert to fraction form
11,132,596.60/16,698,894.90 = 6,653,620.60/x - Step 3: Cross multiply
11,132,596.60x = 16,698,894.90 × 6,653,620.60 - Step 4: Simplify right side
11,132,596.60x = 111,108,111,103,874.94 - Step 5: Solve for x
x = 111,108,111,103,874.94/11,132,596.60 - Step 6: Final answer
x = 9,980,430.90
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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.