Finding the Fourth Proportional to 19,089,148.37, 28,638,207.25 and 6,309,653.09
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Solution
The fourth proportional to 19,089,148.37, 28,638,207.25 and 6,309,653.09 is: 9,465,961.98
Step by Step Solution
- Step 1: Write the proportion equation
19,089,148.37 : 28,638,207.25 = 6,309,653.09 : x - Step 2: Convert to fraction form
19,089,148.37/28,638,207.25 = 6,309,653.09/x - Step 3: Cross multiply
19,089,148.37x = 28,638,207.25 × 6,309,653.09 - Step 4: Simplify right side
19,089,148.37x = 180,697,152,708,057.72 - Step 5: Solve for x
x = 180,697,152,708,057.72/19,089,148.37 - Step 6: Final answer
x = 9,465,961.98
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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.