Finding the Fourth Proportional to 7,626,444.03, 11,480,896.57 and 6,947,693.09
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Solution
The fourth proportional to 7,626,444.03, 11,480,896.57 and 6,947,693.09 is: 10,459,100.66
Step by Step Solution
- Step 1: Write the proportion equation
7,626,444.03 : 11,480,896.57 = 6,947,693.09 : x - Step 2: Convert to fraction form
7,626,444.03/11,480,896.57 = 6,947,693.09/x - Step 3: Cross multiply
7,626,444.03x = 11,480,896.57 × 6,947,693.09 - Step 4: Simplify right side
7,626,444.03x = 79,765,745,766,393.70 - Step 5: Solve for x
x = 79,765,745,766,393.70/7,626,444.03 - Step 6: Final answer
x = 10,459,100.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.