Finding the Fourth Proportional to 11,717,640.12, 16,170,603.80 and 6,688,288.04
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Solution
The fourth proportional to 11,717,640.12, 16,170,603.80 and 6,688,288.04 is: 9,229,986.15
Step by Step Solution
- Step 1: Write the proportion equation
11,717,640.12 : 16,170,603.80 = 6,688,288.04 : x - Step 2: Convert to fraction form
11,717,640.12/16,170,603.80 = 6,688,288.04/x - Step 3: Cross multiply
11,717,640.12x = 16,170,603.80 × 6,688,288.04 - Step 4: Simplify right side
11,717,640.12x = 108,153,655,995,118.56 - Step 5: Solve for x
x = 108,153,655,995,118.56/11,717,640.12 - Step 6: Final answer
x = 9,229,986.15
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1.5x scale
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.