Finding the Fourth Proportional to 7,366,987.74, 10,170,657.09 and 4,889,568.18
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Solution
The fourth proportional to 7,366,987.74, 10,170,657.09 and 4,889,568.18 is: 6,750,400.98
Step by Step Solution
- Step 1: Write the proportion equation
7,366,987.74 : 10,170,657.09 = 4,889,568.18 : x - Step 2: Convert to fraction form
7,366,987.74/10,170,657.09 = 4,889,568.18/x - Step 3: Cross multiply
7,366,987.74x = 10,170,657.09 × 4,889,568.18 - Step 4: Simplify right side
7,366,987.74x = 49,730,121,276,955.39 - Step 5: Solve for x
x = 49,730,121,276,955.39/7,366,987.74 - Step 6: Final answer
x = 6,750,400.98
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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.