Finding the Fourth Proportional to 17,615,032.18, 26,426,349.08 and 5,317,975.26
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Solution
The fourth proportional to 17,615,032.18, 26,426,349.08 and 5,317,975.26 is: 7,978,110.36
Step by Step Solution
- Step 1: Write the proportion equation
17,615,032.18 : 26,426,349.08 = 5,317,975.26 : x - Step 2: Convert to fraction form
17,615,032.18/26,426,349.08 = 5,317,975.26/x - Step 3: Cross multiply
17,615,032.18x = 26,426,349.08 × 5,317,975.26 - Step 4: Simplify right side
17,615,032.18x = 140,534,670,632,858.69 - Step 5: Solve for x
x = 140,534,670,632,858.69/17,615,032.18 - Step 6: Final answer
x = 7,978,110.36
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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.