Finding the Fourth Proportional to 7,508,290.13, 10,369,993.98 and 5,089,643.09
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Solution
The fourth proportional to 7,508,290.13, 10,369,993.98 and 5,089,643.09 is: 7,029,505.69
Step by Step Solution
- Step 1: Write the proportion equation
7,508,290.13 : 10,369,993.98 = 5,089,643.09 : x - Step 2: Convert to fraction form
7,508,290.13/10,369,993.98 = 5,089,643.09/x - Step 3: Cross multiply
7,508,290.13x = 10,369,993.98 × 5,089,643.09 - Step 4: Simplify right side
7,508,290.13x = 52,779,568,151,798.63 - Step 5: Solve for x
x = 52,779,568,151,798.63/7,508,290.13 - Step 6: Final answer
x = 7,029,505.69
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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.